People love e-mail because it's easy and cheap. People hate spam-junk e-mail-well, because it's easy and cheap. At roughly a hundredth of a cent per message, a spammer can blast a million e-mails promoting ways to make money  for a mere $100 initial investment. With such an economical advertising medium, it's hard for spammers not to recover their money. Unless, of course, they have to pay more for their trouble-a concept now being pursued at Microsoft.

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