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Want to know what kind of fetish websites your roommate likes? Or prefer to monitor some chat rooms of your kids? Do it with a keylogger. And now you can build one yourself. All it takes it a little a lot of electronic know how. Gizmodo does not condone the usage of a keylogger and it may also be illegal to use in your country. So build at your own discretion. Check out the linkage for the full instruction page.

DIY Keylogger [Via Red Ferret]