A fantasy football platform built by a 26-year-old solo founder, also powering The Washington Post's fantasy leagues; acquired by AOL in April 2008 mainly for its technology.
A mobile photo-blogging service that let users publish photos directly from camera phones to a blog, acquired by Six Apart for an undisclosed sum in March 2006.
A social network for wine lovers with about 20,000 members, letting users rate, review and track wines, acquired by a team led by Gary Vaynerchuk of Wine Library.
A SaaS tool for automated cross-browser testing of web applications, built by solo developer Martin Kleppmann and acquired by Red Gate Software in December 2009.
A hosted blog commenting and trackback service used by over 520,000 sites and 8 million users, mostly on Blogger blogs, acquired by JS-Kit in July 2008.
A Ruby on Rails hosting product built by web agency Planet Argon, whose product line was acquired by Blue Box Group in August 2009 so the agency could refocus on client work.
A blog analytics service tracking visitor statistics for blogs, similar to Google's Measure Map, acquired by FeedBurner in 2006 to add web-analytics features to its RSS platform.