from CNN:
NEW YORK (AP) -- If the U.S. Postal Service delivered mail for free, our mailboxes would surely runneth over with more credit-card offers, sweepstakes entries, and supermarket fliers. That's why we get so much junk e-mail: It's essentially free to send. So Microsoft Corp. chairman Bill Gates, among others, is now suggesting that we start buying "stamps" for e-mail.

Heres the full article

Jeezus, this is NOT in any individuals best interest. Its a blatant attempt at defining yet another fucking business op. That's it, end of story.

Just make spam illegal already.