Microsoft Corp. chairman Bill Gates, among others, is now suggesting that we start buying "stamps" for e-mail.
Many Internet analysts worry, though, that turning e-mail into an economic commodity would undermine its value in democratizing communication. But let’s start with the math: At perhaps a penny or less per item, e-mail postage wouldn’t significantly dent the pocketbooks of people who send only a few messages a day. Not so for spammers who mail millions at a time.
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