Summary: Microsoft is paying $1.2 billion for Yammer and is folding the enterprise social networking vendor into its Office division.
The rumors were right. Microsoft announced on June 25 it has bought enterprise social networking vendor Yammer for $1.2 billion in cash.
Yammer will join the Microsoft Office Division, led by division President Kurt DelBene, and the team will continue to report to current Yammer CEO David Sacks, according to a Microsoft statement.
I doubt seriously whether Microsoft will be integrating any of Yammer’s technology into Office 2013, as the client, server and services that are part of this wave are already quite far along in development. A public beta of Office 2013 is expected by many of us Microsoft watchers in July.
So what will Microsoft be doing with Yammer? Integration into existing Microsoft products isn’t being mentioned by anyone from Microsoft today. From Microsoft’s June 25 press release about the acquisition:

The rumors were right. Microsoft announced on June 25 it has bought enterprise social networking vendor Yammer for $1.2 billion in cash.
Yammer will join the Microsoft Office Division, led by division President Kurt DelBene, and the team will continue to report to current Yammer CEO David Sacks, according to a Microsoft statement.
I doubt seriously whether Microsoft will be integrating any of Yammer’s technology into Office 2013, as the client, server and services that are part of this wave are already quite far along in development. A public beta of Office 2013 is expected by many of us Microsoft watchers in July.
So what will Microsoft be doing with Yammer? Integration into existing Microsoft products isn’t being mentioned by anyone from Microsoft today. From Microsoft’s June 25 press release about the acquisition: