On May 18, 2007, Microsoft announced that it would acquire the company for US$6 billion, the largest acquisition in Microsoft's history until its 2011 purchase of Skype.[1][2] The acquisition closed on August 10, 2007.[3] aQuantive became part of Microsoft's newly created Advertiser and Publisher Solutions (APS) Group.
On July 2, 2012, Microsoft announced that it would take a $6.2 billion writedown, mostly related to the 2007 acquisition of aQuantive.[4]
On February 28, 2013, Facebook announced that it is buying the Atlas Ad Serving technology from Microsoft. [5]
^Kirk, Jeremy (May 18, 2007). "Microsoft to Buy aQuantive for $6 Billion". PCWorld. Retrieved August 16, 2011. Microsoft plans to acquire aQuantive for around $6 billion in order to grow its Internet advertising business.