Industry WIKI

OfferUp is an online mobile-first C2C marketplace with an emphasis on in-person transactions. It was founded as a competitor to Craigslist, differentiating itself with mobile-friendly apps and user profiles with ratings.

Spotify is a Swedish freemium music streaming service provider founded in April 2006 by Daniel Ek and Martin Lorentzon. As of March 2026, it is one of the largest providers of music streaming services, with over 788 million monthly active users comprising 306 million paying subscribers. Spotify is listed on the New York Stock Exchange in the form of American depositary receipts.

WeChat (Chinese: 微信; pinyin: Wēixìn ; lit. 'micro-message') is an instant messaging, social media, and mobile payment app developed by Tencent. First released in 2011, it became the world's largest standalone mobile app in 2018 with over 1 billion monthly active users. WeChat has been described as China's "app for everything" and a super-app because of its wide range of functions. WeChat