LinkedIn
PHO20 linkedin board
Photographed Feb. 15, 2013, in the LinkedIn Cafe in the company's Mountain View, Calif., campus. The background image is a visualization of the LinkedIn connections of every member of the company's board. Left to right: A. George "Skip" Battle, former CEO and executive chairman, Ask Jeeves; Leslie Kilgore, former chief marketing officer, Netflix; Reid Hoffman, executive chairman and co-founder, LinkedIn; David Sze, senior managing partner, Greylock Partners; Jeff Weiner, CEO, LinkedIn; Stanley J. Meresman, former general partner and COO, Technology Crossover Ventures; Michael J. Moritz, chairman, Sequoia Capital

Professionals used to flock to LinkedIn (LNKD) just to share their résumés with colleagues -- as well as possible future employers. But the online social business network, which went public in 2011, now offers its more than 200 million users posts from the likes of Arianna Huffington, Richard Branson, and Barack Obama, who write on topics of their choosing. (Board members persuaded several of their powerful friends to join LinkedIn's Influencers platform.) The initiatives created greater value, which boosted engagement. Revenues, the bulk of which come from the company's recruiting tools, increased 86% in 2012, topping off at $972.3 million.


This story is from the May 20, 2013 issue of Fortune.
  @FortuneMagazine - Last updated May 06 2013 09:23 AM ET
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