(no subject)

Some time ago, I posted that if you ever get unsolicited ads in the mail with business reply envelopes (like credit card applications), you should mail back the business reply envelopes empty. It costs credit card companies about $1.00 to open an envelope, and if enough people send back enough empty envelopes, maybe we will stop receiving so much junk mail.

Well, here's a guy who took it one step further:
http://www.vertical-visions.com/_temp/postagepaid/index2.html