Who matters now?

With a new crop of freshly-minted Internet millionaires running around, it's easy to forget that Jeff Bezos has been running a wildly successful Web company for more than a decade.

Bezos isn't slowing down; having created the world's largest online bookstore, he's now gunning after Apple's dominance in online music sales while trying to build the world's biggest data storage service -- in part, to hook those newcomers into Amazon's software platform.

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Tell us who you think matters now -- and why