Historical clue formulations

• Counterpart of a brick-and-mortar business — 2020-09-12
• Company doing business mostly online — 2020-05-18
• Amazon or eBay — 2019-12-23
• E-business — 2017-02-26
• Kind of bubble — 2015-02-19
• Internet business — 2014-12-29
• Techie's company — 2010-02-15
• Business that may have gone boom and then bust in the '90s — 2008-03-31
• E-business — 2005-09-19
• E-business — 2004-04-21