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Yammer is the Twitter for Companies and Wins the TechCrunch50

The Yammer, which is said to be a twitter for companies, has won the TechCrunch50 top prize today. The site is founded by David Sacks who is also the founder of genealogy site Geni. The idea behind Yammer is quite simple, If Twitter asks: “What Are You Doing?”, Yammer asks: …