Enterprise Social Networking Platform Yammer Grabs $25 Million In New Funding

Enterprise social networking platform Yammer, has just raised $25 million in new funding led by U.S. Venture Partners with Emergence Capital, Charles River Ventures and Founders Fund also participating. This brings the startup's total funding to $40 million. Additionally, U.S. Venture Partners' Principal Mamoon Hamid will be joining Yammer's board. Yammer, which launched as the "Twitter for businesses" at TechCrunch 50 in 2008, recently expanded to become a more comprehensive platform for social networking within the enterprise.

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