9/5/2012--Redmond, WA, USA..An integration team from Yammer talks with Microsoft employees on the main campus in Redmond, WA. Yammer, the enterprise-level social networking site, was acquired by Microsoft for $1.2 billion in cash in 2012, as the company expands its movement into social networking. The team of Yammer employees introducing their service to Microsoft employees which was happening all over campus at various cafes during the lunch hour. ..Photograph by Stuart Isett..©2012 Stuart Isett. All rights reserve.