23andme
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James Altucher
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Actor, Writer, Producer Ricky Gervais
16 steps away from host A.J. Jacobs -
Andy Borowitz
New York Times bestselling author, comedian, and actor. -
400 Activities
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Bill Weir
CNN Anchor -
George H.W. Bush (via video)
21 steps away from host A.J. Jacobs -
A science-themed playground that includes slides, climbing nets, fog machines and a giant lever
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Ted Allen