Celebregion

      With an estimated fortune of $17.5 billion, Facebook's Mark Zuckerberg breaks into the ranks of the richest 20 Americans for the first time–coming in at #14 on the 2011 FORBES 400.         In 2010, Facebook’s rocketing valuation made Zuckerberg richer than Apple‘s Steve Jobs. Today, his paper fortune of $17.5 billion pushes him past Google‘s Sergey Brin and Larry Paige ($16.7 each),Dell founder Michael Dell ($15 billion) and Microsoft chief Steve Ballmer($13.9 billion). Bill gate tops for 18th straight year . Full list 1. Bill Gates – $59 billion 2. Warren Buffett – $39 billion 3.Larry Ellison – $33 billion 4 . (Tied) Charles Koch and David Koch, $25 billion each 5.  Christy Walton & family – $24.5 billion 6. Christy Walton & family – $24.5 billion 7. . George Soros – $22 billion 8. Sheldon Adelson – $21.5 billion 9. Jim Walton – $21.1 billion 10. Alice Walton – $20.9 billion 11. S. Robson Walton – $20.5 billion 12.  Michael Bloomberg – $19.5 billion

It has officially been confirmed from Facebook Director of Corporate Communications Larry Yu that the rumor is false.

Mark Zuckerberg announced that Facebook will be shut down in March. Managing the site has become too stressful.

Mark Zuckerberg Facebook founder Mark Zuckerberg--who placed as the 35th richest person on   the just-released Forbes 400 list -- is giving troubled schools in Newark, N.J.,   an enormous $100 million gift on "The Oprah Winfrey Show" on Friday .