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4690 Operating System (sometimes shortened to 4690 OS or 4690) is a specially designed point of sale (POS) operating system, originally sold by IBM. In 2012, IBM sold its retail business, including this product, to Toshiba, which assumed support. 4690 is widely used by IBM and Toshiba retail customers to run retail systems which run their own applications and others. Retailers have used

ACI Worldwide is a digital payments software company headquartered in Elkhorn, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars for customers in 94 countries. Banks, financial institutions, merchants, billers, acquirers, issuers, and other third-party payment service providers use its intelligent solutions to deploy secure payment rails across

Advertising research is a systematic process of marketing research conducted to improve the efficiency of advertising. Advertising research is a detailed study conducted to know how customers respond to a particular ad or advertising campaign.

Allstream Inc. is a business communications provider based in Mississauga, Ontario, Canada, that provides Internet Protocol (IP) connectivity, managed IP services, unified communications and voice services to its customers in the United States and Canada.

Amazon China (Chinese: 亚马逊中国), formerly known as Joyo.com (Chinese: 卓越网), is an online shopping website. Joyo.com was founded in early 2000 by the Chinese entrepreneur Lei Jun in Beijing, China. The company primarily sold books and other media goods, shipping to customers nationwide. Joyo.com was renamed to “Amazon China” when sold to Amazon Inc in 2004 for US$75 Million. Amazon China cl

An automated teller machine (ATM) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, funds transfers, balance or account information inquiries, at any time and without the need for direct interaction with bank staff.

ATM Link (a shortened form of Lintas Network) is an interbank network serving Indonesian State-owned Banks Association (Himbara), comprising Bank Mandiri, Bank Rakyat Indonesia, Bank Negara Indonesia, and Bank Tabungan Negara. The network provides cash withdrawal and inquiry services for customers of member banks of Himbara.

Authorize.Net is a United States–based payment gateway service provider, allowing merchants to accept credit card and electronic check payments through their website and over an Internet Protocol (IP) connection. Founded in 1996 as Authorize.Net, Inc., the company is now a subsidiary of Visa Inc. Its service permits customers to enter credit card and shipping information directly onto a

A bank run or run on the bank occurs when many clients withdraw their money from a bank, because they believe the bank may fail in the near future. It may occur when, in a fractional-reserve banking system (where banks normally only keep a small proportion of their assets as cash), a large volume of customers seek to withdraw a greater amount of cash from deposit accounts with a financia

The Bankcard-Servicenetz (lit. 'bank card service network') is a German ATM card interbank network group provided by the Volksbanken und Raiffeisenbanken services group. Technically it is not an interbank network but uses the pre-existing girocard network. Member banks of this cash credit group charge ATM usage fees at a low level and most customers of the co-operative banks enjoy free w

Banking as a service (BaaS) is the provision of banking products (such as deposit accounts, loans and credit cards) to customers through non-bank or non-financial third party partnerships. The bank provides the balance sheet management, including capital, liquidity and credit risk management, while the partner company (typically a fintech) interacts directly with the customer via their p

Bertrand competition is a model of competition used in economics, named after Joseph Louis François Bertrand (1822–1900). It describes interactions among firms (sellers) that set prices and their customers (buyers) that choose quantities at the prices set. The model was formulated in 1883 by Bertrand in a review of Antoine Augustin Cournot's book Recherches sur les Principes Mathématiqu

A branch, banking center or financial center is a retail location where a bank, credit union, or other financial institution (including a brokerage firm) offers a wide array of face-to-face and automated services to its customers.

A brand is a name, term, design, symbol or any other feature that distinguishes one seller's goods or service from those of other sellers. Brands are studied in business, marketing, and advertising and used for recognition and, importantly, to create and store value as brand equity for the object identified, to the benefit of the brand's customers, its owners and shareholders. Brand name

Brand awareness is the extent to which customers are able to recall or recognize a brand under different conditions. Brand awareness is one of the two key components of brand knowledge, as defined by the associative network memory model. It plays a vital role in consumer behavior, advertising management, and brand management. The consumer's ability to recognize or recall a brand is centr

In financial services, a broker-dealer is a natural person, company or other organization that engages in the business of trading securities for its own account or on behalf of its customers. Broker-dealers are at the heart of the securities and derivatives trading process.

Business-to-government (B2G), also referred to as business-to-public-administration (B2PA) or business-to-public-sector (B2PS), describes commercial transactions in which businesses supply goods or services to government entities acting as customers. Where governments contract directly with each other, the term government-to-government (G2G) is also used.

In management accounting, the cash conversion cycle (CCC) measures how long a firm will be deprived of cash if it increases its investment in inventory in order to expand customer sales. It is thus a measure of the liquidity risk entailed by growth. However, shortening the CCC creates its own risks: while a firm could even achieve a negative CCC by collecting from customers before paying

Cash Group is a cooperation of the four largest German private banks (Deutsche Bank, Commerzbank, HypoVereinsbank, and Postbank) and their subsidiaries, in which they mutually waive ATM usage fees for their customers. It is not an interbank network but uses the pre-existing girocard network. With more than 4500 ATMs, the cooperating banks' ATM networks form the third largest ATM network

CashPool is a cooperation of a multitude of smaller or virtual German private banks, in which they mutually waive ATM usage fees for their customers. It is not an interbank network but uses the pre-existing German ATM or Maestro/Cirrus networks. With more than 2800 ATMs, the cooperating banks' ATM networks form the smallest ATM group in Germany.

CashU was an Arabic fintech company providing a digital wallet and online payment services for customers in the Middle East and North Africa (MENA) region. The company was founded as a technology startup in July 2002 in association with online service company Maktoob in Amman, Jordan. It provided payment services for Maktoob online services. The company went through a number of rounds of

A Christmas club is a special-purpose savings account, first offered by various banks and credit unions in the United States beginning in the early 20th century, including the Great Depression. Bank customers would deposit a set amount of money each week into a savings account, and receive the money back at the end of the year for Christmas shopping.

CleverTap is an American customer engagement and retention platform. Its platform allows B2C brands to send contextual and personalised messages to their customers. It was established in 2013 in San Francisco, California.

Commercialization or commercialisation is the process of introducing a new product, service or production method into commerce—making it available on the market. The term often connotes especially entry into the mass market (as opposed to entry into earlier niche markets), but it also includes a move from the laboratory into (even limited) commerce. Many technologies begin in a research

Community marketing is a strategy to engage an audience in an active, non-intrusive prospect and customer conversation. Whereas marketing communication strategies such as advertising, promotion, PR, and sales all focus on attaining customers, Community Marketing focuses on the needs of existing customers. This accomplishes four things for a business:

Core banking is a banking service provided by a group of networked bank branches where customers may access their bank account and perform basic transactions from any of the member branch offices.

Corporate services or business services are activities which combine or consolidate certain enterprise-wide needed support services, provided based on specialized knowledge, best practices, and technology to serve internal (and sometimes external) customers and business partners. The term corporate services providers (CSPs) is also used.

Cross-promotion is a form of marketing promotion where customers of one product or service are targeted with promotion of a related product. A typical example is cross-media marketing of a brand; for example, Oprah Winfrey's promotion on her television show of her books, magazines and website. Cross-promotion may involve two or more companies working together in promoting a service or p

Crossing the Chasm: Marketing and Selling High-Tech Products to Mainstream Customers or simply Crossing the Chasm (1991, revised 1999 and 2014), is a marketing book by Geoffrey A. Moore that examines the market dynamics faced by innovative new products, with a particular focus on the "chasm" or adoption gap that lies between early and mainstream markets.

Crypto.com is a Singaporean cryptocurrency exchange company that offers various financial services, including an app, exchange, and noncustodial DeFi wallet, NFT marketplace, and direct payment service in cryptocurrency. As of June 2023, the company reportedly had 100 million customers and 4,000 employees.

A cryptocurrency exchange, or a digital currency exchange (DCE), is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies. Exchanges may accept credit card payments, wire transfers or other forms of payment in exchange for digital currencies or cryptocurrencies. A cryptocurrency excha

A Customer Advisory Council (also referred to as a Customer Advisory Board or CAB) is a form of market research whereby a group of existing customers is convened on a regular basis to advise company management on industry trends, business priorities, and strategic direction. The CAB differs from traditional focus groups in the following ways:

Customer intelligence (CI) as part of business intelligence is the process of gathering information regarding customers, and their details and activities, to build deeper and more effective customer relationships and improve decision-making by vendors.

Customer relationship management (CRM) is a strategic process that organizations use to manage, analyze, and improve their interactions with customers. By using data-driven insights, CRM often involves dedicated information systems that help store and analyze customer data, support communication, and coordinate sales, marketing, and service activities.

Customer retention refers to the ability of a company or product to retain its customers over some specified period. High customer retention means customers of the product or business tend to return to, continue to buy or in some other way not defect to another product or business, or to non-use entirely. Selling organizations generally attempt to reduce customer defections. Customer ret

In marketing and microeconomics, customer switching or consumer switching describes "customers/consumers abandoning a product or service in favor of a competitor". Assuming constant price, product or service quality, counteracting this behaviour in order to achieve maximal customer retention is the business of marketing, public relations and advertising. Brand switching—as opposed to bra

Customer to customer (C2C or consumer to consumer) is a kind of trade where no other business is involved. Every time a deal/trade takes place in a consumer-to-consumer (C2C) business, two regular people who are referred to as customers exchange products and services. In a consumer-to-consumer (C2C) transaction, a buyer who wishes to sell a product places an advertisement of the product

Customer value maximization (CVM) is a real-time service model that, proponents say, goes beyond basic customer relationship management (CRM) capabilities, identifying and capturing maximum potential from prospective and existing customers.

Database marketing is a form of direct marketing that uses databases of customers or potential customers to generate personalized communications in order to promote a product or service for marketing purposes. The method of communication can be any addressable medium, as in direct marketing.

Debit card cashback (known as cashback at the tills in the United Kingdom, and as cash out in Australia and New Zealand), is a service offered to retail customers whereby an amount is added to the total purchase price of a transaction paid by debit card and the customer receives that amount in cash along with the purchase. For example, a customer purchasing $18.99 worth of goods at a su

Direct-to-consumer (DTC or D2C) is a modern variation of the business-to-consumer (B2C) business model. The DTC is a business model of selling products directly to customers and thereby bypassing any third-party retailers, wholesalers, or intermediaries. Direct-to-consumer sales are usually transacted online, but direct-to-consumer brands may also operate physical retail spaces as a comp

Disintermediation is the removal of intermediaries in economics from a supply chain, or "cutting out the middlemen" in connection with a transaction or a series of transactions. Instead of going through traditional distribution channels, which had some type of intermediary (such as a distributor, wholesaler, broker, or agent), companies deal with customers directly and vice versa, for ex

Drip marketing is a communication strategy that sends, or "drips", a pre-written set of messages to customers or prospects over time. These messages often take the form of email marketing, although other media can also be used. Drip marketing is distinct from other database marketing in two ways: (1) the timing of the messages follows a predetermined course; (2) the messages are dripped

Electronic billing or electronic bill payment and presentment, is when a seller such as company, organization, or group sends its bills or invoices over the internet, and customers pay the bills electronically. This replaces the traditional method where invoices are sent in paper form and payments are done by manual means such as sending cheques.

Employer brand is branding and marketing the entirety of the employment experience. It describes an employer's reputation as a place to work, and their employee value proposition, as opposed to the more general corporate brand reputation and value proposition to customers. The term was first used in the early 1990s, and has since become widely adopted by the global management community.

Eroski is a Spanish supermarket chain headquartered in Elorrio, Basque Country. It is run as a worker-consumer hybrid co-operative within the Mondragón Corporation group, with nearly 1,000 outlets spread across Spain (excluding franchises). The establishments vary in size from the largest hypermarkets, simply named 'Eroski' (of which there are 75 stores, including 40 with petrol stations

Evangelism marketing is an advanced form of word-of-mouth marketing in which companies develop customers who believe so strongly in a particular product or service that they freely try to convince others to buy and use it. The customers become voluntary advocates, actively spreading the word on behalf of the company.

An experience economy is the sale of memorable experiences to customers. The term was first used in a 1998 article by B. Joseph Pine II and James H. Gilmore describing the next economy following the agrarian economy, the industrial economy, and the most recent service economy.

Experiential retail or experiential commerce is a type of retail marketing whereby customers coming into a physical retail space are offered experiences beyond the traditional ones (such as in a clothing store: browsing merchandise, advice from salespeople, dressing rooms and cashiers). Amenities provided may include art (often interactive art), live music performances, virtual reality,

Expressnet is an interbank network connecting the ATM networks of seven major banks in the Philippines. It has the second-largest number of ATMs (largely due to the vast nationwide presence of Bank of the Philippine Islands Express Teller ATMs) and the smallest number of customers and member banks. However, its strength among the interbank networks and the ubiquity of BPI ATMs have giv

First Direct (styled first direct) is a telephone and internet based direct retail bank, which is a division of HSBC UK Bank plc based in the United Kingdom. First Direct has headquarters in Leeds, England, and in 2024, had 1.9 million customers. On its launch, it was the UK's first telephone-only bank.

The Foreign Account Tax Compliance Act (FATCA) is a 2010 U.S. federal law requiring all non-U.S. foreign financial institutions (FFIs) to search their records for customers with indicators of a connection to the U.S., including records of birth or prior residency in the U.S., and to report such assets and identities of such persons to the United States Department of the Treasury. FATCA a

A free lunch is the provision of a meal at no cost, usually as a sales enticement to attract customers and increase revenues from other business. The practice was once common in saloons and taverns in many places in the United States, with the phrase appearing frequently in U.S. literature from about 1870 to the late 1920s. These establishments included a "free" lunch, which varied from

Giropay was an Internet payment system in Germany, based on online banking. Introduced in February 2006, this payment method allowed customers to buy securely on the Internet using direct online transfers from their bank account. The system was similar to the Dutch iDEAL payment system, MyBank payment system, the Interac online service in Canada, pagomiscuentas payment service in Argenti

The Global ATM Alliance is a joint venture of several major international banks that allows customers of their banks to use their automated teller machine (ATM) card or debit card at another bank within the alliance with no international ATM access fees. Other fees, such as an international transaction or foreign currency fee, may still apply for some account holders. Participating banks

An incentive program is a formal scheme used to promote or encourage specific actions or behavior by a specific group of people during a defined period of time. Incentive programs are particularly used in business management to motivate employees and in sales to attract and retain customers. Scientific literature also refers to this concept as pay for performance.

International financial management, also known as international finance, is the management of finance in an international business environment; that is, trading and making money through the exchange of foreign currency. The international financial activities help the organizations to connect with international dealings with overseas business partners- customers, suppliers, lenders etc. I

Klöckner & Co SE (also known as Klöckner, KlöCo, or KCO) is a producer-independent processor of steel and metal products. With a network of 110 warehousing and processing locations, Klöckner & Co supplies over 60,000 customers, mainly in Europe and North America.

Kraken (legally named Payward, Inc.) is a US-based cryptocurrency exchange, founded in 2011. It is the first cryptocurrency company to obtain a bank charter. In 2025, Kraken began allowing the trading of tokenized equities by non-US customers.

LGBTQ marketing is the act of marketing to LGBTQ customers, either with dedicated ads or general ads, or through sponsorships of LGBTQ organizations and events, or the targeted use of any other element of the marketing mix.

This is a list of bank runs. A bank run occurs when a large number of bank customers withdraw their deposits because they believe the bank might fail. As more people withdraw their deposits, the likelihood of default increases, and this encourages further withdrawals. This can destabilize the bank to the point where it faces bankruptcy.

A trading company is a business that works with different kinds of products sold for consumer, business purposes. In contemporary times, trading companies buy a specialized range of products, shopkeeper them, and coordinate delivery of products to customers.

Loyalty marketing is a marketing strategy in which a company focuses on growing and retaining existing customers through incentives. Branding, product marketing, and loyalty marketing all form part of the customer proposition – the subjective assessment by the customer of whether to purchase a brand or not based on the integrated combination of the value they receive from each of these m

A loyalty program or rewards program is a marketing strategy designed to encourage customers to continue to shop at or use the services of one or more businesses associated with the program.

Manulife Bank of Canada (operating as Manulife Bank; French: Banque Manuvie du Canada) is a wholly-owned subsidiary of Manulife. As a direct bank, it offers high-interest chequing & savings accounts, credit cards, lines of credit, and mortgages, including Manulife One. Since it was established in 1993, Manulife Bank has grown to more than $29 billion in assets and serves customers across

Market research is an organized effort to gather information about target markets and customers. It involves understanding who they are and what they need. It is an important component of business strategy and a major factor in maintaining competitiveness. Market research helps identify and analyze market needs, market size and the competition. Its techniques encompass both qualitative

Marketing is the act of acquiring, satisfying and retaining customers. It is one of the primary components of business management and commerce.

Marketing failure is when a commercial marketing effort by a business fails to accomplish anything positive, or alternately when a commercial product is either totally or mostly rejected by its potential customers.

The marketing mix (4 Ps) is the set of controllable elements or variables that a company uses to influence and meet the needs of its target customers in the most effective and efficient way possible. These elements are sometimes sorted into the categories of product, price, place, and promotion (also known as the "4 Ps"). The marketing mix has been defined as the "set of marketing tools

Midpoint (Midpoint Holdings Ltd) is a UK headquartered, Toronto and Frankfurt listed company providing international payments and peer-to-peer foreign exchange (bureau de change) services to individual and corporate customers. Midpoint is the world’s first dedicated peer-to-peer international foreign currency matching platform. The company's patented matching technology was the first app

Mimeo.com, Inc. is a privately held Print on demand and digital distribution document company. It was the first to offer online printing and overnight delivery of complex documents and marketing materials. The company refers to itself as a technology company that prints. Customers utilize a proprietary online workflow connected to multiple print production, warehouse and distribution cen

Mobile banking, also known as app-based banking is a service that allows a bank's customers to conduct financial transactions using a mobile device. Unlike the related internet banking it uses software, usually an app, provided by the bank. Mobile banking is usually available on a 24-hour basis. Many neobanks operate exclusively through mobile banking.

Moneycorp is a British payment company that provides foreign exchange and global payment services to individual and corporate customers. The company was founded in London in 1979. Its clients include individuals, corporations, and other financial institution. It has a branches in the United Kingdom, North America, Europe, Asia and a number of other countries.

Most valuable customers is a marketing term referring to the customers who are the most profitable for a company. These customers buy more or higher-value products as the average customer. The company provide these customers with advice and guidance to establish a more personal relationship.

National Electronic Funds Transfer (NEFT) is an electronic funds transfer system maintained by the Reserve Bank of India (RBI). Started in November 2005, the setup was established and maintained by Institute for Development and Research in Banking Technology. NEFT enables bank customers in India to transfer funds between any two NEFT-enabled bank accounts on a one-to-one basis. It is don

The uniform net capital rule is a rule created by the U.S. Securities and Exchange Commission ("SEC") in 1975 to regulate directly the ability of broker-dealers to meet their financial obligations to customers and other creditors. Broker-dealers are companies that trade securities for customers (i.e., brokers) and for their own accounts (i.e., dealers).

Networks are crucial parts of any action taken in a marketplace. Peter Drucker even described the future economy as one of a society of networks. Companies embedded in such networks stand to gain a lot. There are a number of different network models, which have distinct relevance to customers, and marketing initiatives. A network in marketing can be formed either strategically (e.g. Bus

ONO was a Spanish broadband communication and entertainment company, delivering integrated telephone, television and Internet services to its residential customers. In this segment, it has 3.7 million services contracted and over six million users.

In financial services, open banking allows for financial data to be shared between banks and third-party service providers through the use of application programming interfaces (APIs). Traditionally, banks have kept customer financial data within their own closed systems. Open banking allows customers to share their financial information securely and electronically with other banks or ot

The Osborne effect is a social phenomenon of customers canceling or deferring orders for the current, soon-to-be-obsolete product as an unexpected drawback of a company's announcing a future product prematurely. It is an example of cannibalization. The term alludes to the Osborne Computer Corporation, whose second product did not become available until more than a year after it was annou

Pay at the pump is a system used at many filling stations, where customers can pay for their fuel by inserting a credit card, debit card, or fuel card into a slot on the pump, bypassing the requirement to make the transaction with the station attendant or to walk away from one's vehicle. A few areas have gas stations that use electronic tolling transponders as a method of payment, such a

Payoneer Global Inc. is an American financial services company that provides online money transfer, digital payment services and provides customers with working capital.

PaysafeCard (until 2024 stylized paysafecard) is a prepaid e-commerce payment solution powered by vouchers. It is part of Paysafe, a global payments platform. PaysafeCard allows customers to pay online without providing personal financial information.

Penetration pricing is a pricing strategy especially appropriate for new product pricing, where the price of a product is initially set low to rapidly reach a wide fraction of the market and initiate word of mouth promotion. The strategy works on the expectation that customers will switch to the new brand because of the lower price. Penetration pricing is most commonly associated with ma

A point-of-sale display (POS display) is a specialised form of sales promotion that is found near, on, or next to a checkout counter (the "point of sale"). They are intended to draw the customers' attention to products, which may be new products, or on special offer, and are also used to promote special events, e.g. seasonal or holiday-time sales. POS displays can include free standing d

POLi Payments Pty Ltd (formerly known as Centricom) is an online payments company based in Melbourne, Australia. It is the developer and provider of POLi, an online payment system that is used by merchants and customers in Australia and New Zealand. POLi Payments was acquired by SecurePay Holdings, a fully owned subsidiary of Australia Post, in December 2014.

In marketing, positioning is the mental perception of a product or brand by customers. Brand and product positioning methods include product differentiation, advertising, market segmentation, and business models such as the marketing mix.

A pre-order is an order placed for an item that has not yet been released. The idea for pre-orders came because people found it hard to get popular items in stores because of their popularity. Companies then had the idea to allow customers to reserve their personal copy before its release, which has been a huge success.

Precision marketing is a marketing technique that suggests successful marketing is to retain, cross-sell, and upsell existing customers.

Price-based selling is a specific selling technique in which a business exclusively reduces their price in attempt to close the sales cycle. Price-based selling clearly exists in businesses such as: commodity sales, auto sales, hospitality, and even some retail stores. However, it is only recommended that commodity items like petroleum be sold exclusively by price. Selling on price is ev

The prime rate or prime lending rate is an interest rate used by banks, typically representing the rate at which they lend to their most creditworthy customers. Some variable interest rates may be expressed as a percentage above or below prime rate.

In marketing, a product demonstration (or "demo" for short) is a promotion where a product is demonstrated to potential customers. The goal is to introduce customers to the product in hopes of getting them to purchase that item.

In marketing, promotion refers to any type of marketing communication used to inform target audiences of the relative merits of a product, service, brand or issue, persuasively. It helps marketers to create a distinctive place in customers' mind, it can be either a cognitive or emotional route. The aim of promotion is to increase brand awareness, create interest, generate sales or create

A promotional model is a model hired to drive consumer demand for a product, service, brand, or concept by directly interacting with potential customers. Most promotional models are conventionally attractive in physical appearance. They serve to make a product or service more appealing, and can provide information to journalists and consumers at trade shows and convention events. Promoti

Referral marketing is a word-of-mouth initiative designed by a company to incentivize existing customers to introduce their family, friends, and contacts to become new customers. Unlike pure word-of-mouth strategies—where customers independently share information without company involvement or ability to track—referral marketing actively incentivizes and rewards existing customers for re

Retail is the sale of goods and services to consumers, in contrast to wholesaling, which is the sale to business or institutional customers. A retailer purchases goods in large quantities from manufacturers, directly from or through a wholesaler, and then sells in smaller quantities to consumers for a profit. Retailers are the final link in the supply chain from producers to consumers.

The Rhode Island banking crisis took place in the early 1990s, when approximately a third of the U.S. state of Rhode Island's population lost access to funds in their bank accounts. The events were triggered by the failure of a Providence bank, Heritage Loan & Investment, due to long-term embezzlement by its president. News of its problems led to a bank run in which customers tried to wi

A season ticket or season pass is a ticket valid for multiple events, typically providing access to an entire season of games or performances at a specific venue or within a particular activity, such as sports matches or public transportation services. Season tickets are commonly issued by sports organizations, theaters, and transit authorities to ensure customers have secured access for

A seeding trial or marketing trial is a form of marketing, conducted in the name of research, designed to target product sampling towards selected consumers. In the marketing research field, seeding is the process of allocating marketing to specific customers, or groups of customers, in order to stimulate the internal dynamics of the market, and enhance the diffusion process. In medicine

Self-checkouts (SCOs), also known as assisted checkouts (ACOs) or self-service checkouts, are machines that allow customers to complete their own transaction with a retailer without using a staffed checkout. When using SCOs, customers scan item barcodes before paying for their purchases without needing one-to-one staff assistance. Self-checkouts are used mainly in supermarkets, although