Hackers of CypherCon 2x21

What happens with disk, flash, and floppy drives when you drop them off at thrift stores or e-recycling centers? How do you properly dispose of those devices safely and securely? We look into thrift shopping, in particular, buying your data back from those who agreed to destroy it. You signed an agreement stating your disks be wiped and data destroyed, that couldn't be further from the truth.