| http://www.w3.org/ns/prov#value | - The company says it is used by over 200,000 companies worldwide, and that 80 percent of the Fortune 500 firms avail its services.Yammer has raised $142 million in venture funding, with investors such as DFJ Growth, Charles River Ventures, Founders Fund and U.S. Venture Partners, as well as Max Levchin, co-founder of PayPal Inc.
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