Yammer Acquired By Microsoft For $1.2 Billion

Yammer, the business focused micromessaging site patterned after Twitter, and spun out of Hollywood-based genealogy site Geni, has been acquired by Microsoft for $1.2 billion in cash, Microsoft confirmed Monday. Yammer, which was headed by David Sacks, will become part of the Microsoft Office Division. Yammer had been started in Los Angeles in 2008, but later moved to Silicon Valley. The deal had been disclosed earlier via rumors.