MarketShare Buys DataSong

Los Angeles-based marketing analytics software developer MarketShare said this morning that it has acquired DataSong, a San Francisco-based cross channel analytics technology company. Financial terms of the buy were not disclosed. MarketShare says it adds 50 employees as part of the acquisition, and that DataSong CEO John Wallace becomes the company's Chief Growth Officer. MarketShare says it now has 450 employees, spread across nine offices. MarketShare is led by Jon Vein.