Enterprise social networking vendor Yammer said Wednesday it has purchased OneDrum, maker of software that allows users to work on Microsoft Office documents and other files collaboratively. Terms were not disclosed. Top tech M&As Today, users still rely largely on email to share files with each other, a...

<A HREF="http://www.networkworld.com/news/2012/041112-yammer-buys-onedrum-for-office-258187.html">Read More</A>