"One morning in February 2001, internet entrepreneur Josh Harris woke to certain knowledge that he was about to lose everything. The man Time magazine called 'The Warhol of the Web' was now reduced to the role of helpless spectator as his personal fortune dwindled from 85 million dollars, to 50 million, to nothing, all in the space of a week. Harris had been New York's first net millionaire, a maverick genius so preternaturally adapted to the fluid...