Pierre Omidyar turned eBay (NASDAQ:EBAY) into the most successful company of the dotcom era. EBay likewise turned its founder into a multibillionaire, and in 1999, Omidyar set up a charitable foundation. But he tired of the nonprofit sector, and in 2004 he shuttered the foundation, instead launching Omidyar Network to fund both nonprofit and for-profit enterprises that create social value.
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