Content Section
  1. 1.NEW MONEY

    The New Billionaires Club

    The day Facebook goes public, its founder will be worth at least $21 billion.

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    Gary He for Facebook, Handout / AP Photo
  2. 2.INTELLIGENCE

    Buff Your Brain

    Want to be smarter in work, love, and life? Scientific advances offer proven ways to enhance your gray matter.

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    Photo Illustration by Adam Levey
  3. 3.CAVEAT EMPTOR

    Beware the Facebook Hype

    No rational person thinks Facebook is worth $100 billion, but this IPO is irrational, says Dan Lyons.

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    David Paul Morrs, Bloomberg / Getty Images
  4. 4.Social Networks

    Twitter Gets Punk’d

    The microblogging site mistakenly verified a fake account for Rupert Murdoch’s wife and won’t explain how this happened. Can Twitter be trusted?

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    Stephen Lovekin / Getty Images