Google Acquisitions

Acquisition date	Company			Derived services
02001-09-20 20 September 2001	Deja			Google Groups
02001-09-20 20 September 2001	Outride			Google Personalized Search
02003-02 February 2003	Pyra Labs			Blogger
02003-04 April 2003	Neotonic Software			Google Groups, Gmail
02003-04 April 2003	Applied Semantics			AdSense, AdWords
02003-09-30 30 September 2003	Kaltix			iGoogle
02003-10 October 2003	Primedia			AdSense, AdWords
02003-10 October 2003	Genius Labs			Blogger
02004-05-10 10 May 2004	Ignite Logic			Google Page Creator
02004-06-23 23 June 2004	BaiduA
02004-07-13 13 July 2004	Picasa			Picasa, Blogger
02004-09 September 2004	ZipDash			Google Ride Finder
02004-10 October 2004	Where2			Google Maps
02004-10-27 27 October 2004	Keyhole, Inc			Google Maps, Google Earth
02005-03-28 28 March 2005	Urchin Software Corporation			Google Analytics
02005-05-12 12 May 2005	Dodgeball			Google Mobile, Google SMS
02005-07 July 2005	Reqwireless			Google Mobile
02005-07-07 7 July 2005	Current Communications Group			Internet backbone
02005-08-17 17 August 2005	Android			Google Mobile, Google SMS
02005-11 November 2005	Skia			Picasa
02005-11-17 17 November 2005	Akwan Information Technologies			Internet backbone
02005-12-20 20 December 2005	AOLB
02005-12-27 27 December 2005	Phatbits			Google Desktop
02005-12-31 31 December 2005	allPAY GmbH			Google Mobile
02005-12-31 31 December 2005	bruNET GmbH			Google Mobile
02006-01-17 17 January 2006	dMarc Broadcasting			AdSense
02006-02-14 14 February 2006	Measure Map			Google Analytics
02006-03-09 9 March 2006	Upstartle			Google Documents
02006-03-14 14 March 2006	@Last Software			Google Earth
02006-04-09 9 April 2006	Orion			Google Search
02006-06-01 1 June 2006	2Web Technologies			Google Spreadsheet
02006-08-15 15 August 2006	Neven Vision			Google Maps
02006-10-09 9 October 2006	YouTube			Google Video
02006-10-31 31 October 2006	JotSpot			Google Sites
02006-12-18 18 December 2006	Endoxon			Google Maps
02007-01-04 4 January 2007	XunleiC
02007-02-16 16 February 2007	Adscape			AdSense
02007-03-16 16 March 2007	Trendalyzer			Google Analytics
02007-04-17 17 April 2007	Tonic Systems			Google Documents
02007-04-19 19 April 2007	Marratech			Google Talk
02007-04-13 13 April 2007	DoubleClick			AdSense
02007-05-11 11 May 2007	GreenBorder			Internal use
02007-06-01 1 June 2007	Panoramio			Blogger
02007-06-03 3 June 2007	FeedBurner			Google Reader
02007-06-05 5 June 2007	PeakStream			Server (computing)
02007-06-19 19 June 2007	Zenter			Google Documents
02007-07-02 2 July 2007	GrandCentral			Google Mobile
02007-07-20 20 July 2007	Image America			Google Maps
02007-07-09 9 July 2007	Postini			Gmail
02007-09-27 27 September 2007	Zingku			Google Mobile
02007-10-09 9 October 2007	Jaiku			Google Mobile

Refernce: Wikipedia