• Described by CNET's Rafe Needleman as "Twitter for workgoups," Yammer is a social networking service based on employees' answers to the question: "What are you working on?"CNET: TechCrunch50: 10 to watch (September 8, 2008)

  At the close of the conference, Yammer was named as the TechCrunch50 top startup company and awarded the $50,000 grand prize in 2008. In early 2009, Yammer raised $5 million in funding from the Founders Fund and Charles River Ventures.The Washington Post: Yammer Raises $5 Million For Workgroup Micro-Messaging (January 19, 2009)

• 1. Founded in 2008
  2. Founded by: David Sacks
  3. Headquarters: West Hollywood, California
  4. Presented at the TechCrunch50 conference on September 8, 2008
  5. CNET's Rafe Needleman listed Yammer as one of the TechCrunch50 top 10 companies to watchCNET: TechCrunch50: 10 to watch (September 8, 2008)
  6. Launched live at the TechCrunch50 conference on September 8, 2008The Yammer Blog: Welcome to Yammer (September 8, 2008)
  7. May also be used as a company directoryCrunchBase: Yammer Company Profile

• The Service

  Yammer ensures a company's privacy by restricting access to those with a verified company email address. The service is free, but companies who choose to do so may pay a fee of $1 per month per employee to claim their network and take over administration duties.The Yammer Blog: Welcome to Yammer (September 8, 2008)

  The goal of the company is to increase productivity in the workplace by decreasing the amount of time reading emails. Instead, Yammer focuses on group discussions meant to enable better communication and collaboration between employees.FOXBusiness.com: Yammer Reveals... "We Want to Cut the Amount of Email You Get in Half" (May 18, 2009)

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