"You would be able to go to an exchange on the Internet or an 800 number and compare prices or whatever, " he said.

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At that point, companies typically conclude that they might as well go public, listing their shares on an exchange and cashing in if the offering succeeds.

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Instead, companies should go on an email diet, by cutting back on the amount of mail they exchange and the number of people who are copied on messages.

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If fans can go on a national market exchange and buy a few shares of Google, why not an NFL team?

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