After completing $6 billion aQuantive acquisition, Microsoft moves into online advertising.Microsoft Monday said it completed its most expensive acquisition ever and is establishing a new online advertising group to battle Google and Yahoo head-to-head.In May, the company paid US$6 billion for aQuantive, a digital marketing services agency, to ...

 Microsoft is acquiring ScreenTonic, a company that delivers location-based ads to mobile devices. Microsoft Corp. announced, 3/5-2007,  it has agreed to acquire ScreenTonic SA, a Europe-based mobile advertising pioneer, in a move that combines the breadth of Microsoft® Digital Advertising Solutions offerings with the mobile ...