We all have a ton of the stuff: Old 12/5.25/3.5 floppy disks, melted hard drives, obsolete cellphones. What do you do with them? Tossing them in the trash just adds to the problems in landfills, and keeping them (my current solution) makes your housemate(s) accuse you of being a packrat.
Stepping up to the plate with a solution is
http://www.greendisk.com/ Finally I can clean out my old floppies and VHS tapes.
If you do use this service remember to be Information Security safe. Drill a hole through your hard drive, take the little information storage card out of your cellphone, run a strong magnet over your old Quicken backup disks, and make sure all personally identifiable information is removed from any disks or hardware.