Google has announced its acquisition of DoubleClick, which provides online ad serving and management technology to advertisers, web publishers, and ad agencies. Google will pay $3.1 billion in cash, and DoubleClick will become a wholly-owned subsidiary of Google. Closing is subject to customary closing conditions, including requirements to get all necessary consents and approvals under applicable antitrust laws. DoubleClick currently has approximately 1,200 employees and Google says it anticipates working with the DoubleClick team, post-close, to integrate the companies efficiently and in a timely manner. Google expects that DoubleClick will operate independently until its integration plan is finalized. The deal is expected to close later this year.