Reid Hoffman Companies founded or co-founded: LinkedIn Investors: Peter Theil, Keith Rabois Companies he's invested in: Digg, Flickr, Last.FM, Ning, Technorati Correction: An earlier version of this gallery listed Mozilla and Kiva as Hoffman investments. He sits on the board of directors of both non-profits, but has not made a monetary investment in either one of them.
|  The pundit and former politician has spun a web of bloggers into a site with outsized influence. Is this the future of media? (more)  Google is spooked by Facebook and would dearly love to squash it, says Fortune's Josh Quittner. (more) |
