You may or may not know that when you drag items to the trash on your computer, they aren't permanently deleted. Just watch an episode of your favorite CSI show, and you'll see that its possible to recover files that haven't been deleted properly. And while I'm sure you're not guilty of any CSI type crimes (or are you?), I'm sure you want to figure out how to permanently delete your files and keep your private things private -- after all everyone has to have some secrets!
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