I agree that disks pollute more than envelopes, but not more than all those stupid AOL cds everyone on this site (and everywhere else in the USA) used to get with nearly every free computer mag and/or the weekly mail.
I figure since these companies have no compunctions about wasting my time and mailbox with their crap, I should return the favor. Had I small envelope-sized plates of steel to put in the envelopes instead, I'd use those, but I don't - doh!
amigaboy