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. The acquisition closed on August 10, 2007. 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.
^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.