One of the most liberating things a writer can do is stop caring whether readers disagree with him. That's what Bob Metcalfe did 10 years ago when he started writing a column for InfoWorld, the dominant trade weekly in the personal computer industry. As a result, he has felt free to make outrageous predictions, call people names, attack popular companies and organizations and deflate hype that everyone else would prefer to keep mouthing. It's all in the name of provoking thought and debate, which is what being a pundit is all about, and Metcalfe is one of the computing industry's best.

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