Industry WIKI

Spread Networks is a company founded by Dan Spivey and backed by James L. Barksdale (former CEO of Netscape ) that claims to offer Internet connectivity between Chicago and New York City at ultra-low latency (i.e. speeds that are very close to the speed of light), high bandwidth, and high reliability, using dark fiber. Its customers are primarily firms engaged in high-frequency trading,

Tuzex was a series of state-run shops in Czechoslovakia from 1957 to 1992 which did not accept normal Czechoslovak koruna currency but only vouchers (bony) which could be purchased from banks using foreign currency. They supplied luxury items: local goods in short supply and in particular foreign goods. The Tuzex vouchers were effectively an unofficial parallel currency.