Microsoft Buys Yammer for $1.2 Billion

By Juan Carlos Perez, IDG News Jun 25, 2012 11:20 pm

Microsoft has agreed to acquire Yammer, a maker of cloud-based enterprise social networking (ESN) software, for $1.2 billion in cash, a deal rumored to be in the works for the past week and a half.
Read it here.. Microsoft Buys Yammer for $1.2 Billion | PCWorld Business Center

Looks like they have the vision now that consumer will appreciate their official release. A massive investment for the software.