by Caroline Gutierrez
Joost marks the third startup for Janus Friis and Niklas Zennstrom, who in addition to Skype also introduced Kazaa, a popular music downloading service. The duo sold Skype to eBay in 2005 for approximately $2.5 billion. Visitors to Joost.com can register and test the service, as well as provide feedback for future improvements.
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