In 2007 CEO Jain founded Egnyte, a Cloud file server start-up, that helps people working in a company to collaborate on electronic documents.

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Since April, Verizon has been testing a version of the researchers' P4P system implemented by the New York-based file-sharing start-up, Pando.

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To lead the project, Mr. Zuckerberg brought on an old Harvard friend, Sam Lessin, through the October 2010 acquisition of his file-sharing start-up, Drop-io.

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Since April, Verizon (nyse: VZ - news - people ) has been testing a version of the researchers' P4P system implemented by the New York-based file-sharing start-up, Pando.

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