Buy-Out

acquisition/acquihire, MBO, LBO, M-and-A; see related ReCap, ESOP

lists of companies acquired by:

• Google http://en.wikipedia.org/wiki/List_of_acquisitions_by_Google
• Yahoo http://en.wikipedia.org/wiki/List_of_acquisitions_by_Yahoo!
• Microsoft http://en.wikipedia.org/wiki/List_of_companies_acquired_by_Microsoft_Corporation

Nov'2011: types of acquisitions: Backuisition, Crackuisition, Hackuisition.... :)