My husband made one of our neighbors very nervous a couple of months ago. They put out their computer set during the trash pick-up day and my husband noticed it so he asked them if they clean out their hard drive before throwing it away. They hurried up and looked to see if the hard drive was still there but some had already picked it up. things like that when happened is scary because it can lead to identity theft if they crack the personal information and other documents that they had from their hard drive. You should learn how to clean hard drive so that when you are ready to toss or get rid of your old PC, you know how to erase all your information from your hard drive.