Google acquired Urchin (became Google Analytics), YouTube, Android and Applied Semantics (AdSense). Ebay acquired Paypal and Stubhub. Twitter acquired Summize

Google acquired Urchin (became Google Analytics), YouTube, Android and Applied Semantics (AdSense). Ebay acquired Paypal and Stubhub. Twitter acquired Summize (Twitter Search). Apple acquired PA Semi (designed the core chips used in modern iphone/ipads). Demanded Media acquired eHow (which is now vastly larger than it was in 2006) Amazon acquired Zappos. Microsoft acquired 86-DOS (which became MS-DOS/Windows) and Hotmail. Lenovo acquired IBM PC Group and in three years went from $3bn revenue to $15bn.