A significant number of Boing Boing readers are perverts anti-zombie operatives who surf tons of porn must review much sekrit information without their bosses knowing other spies seeing their sekrit stuff. If you are one of them, and often need to ditch the nekkid babes get confidential data off of your screen promptly and discreetly — the ~$40 StealthSwitch might do the trick. Tap it with your toe, under the desk, and buh-bye, Jenna your screen switches to something innocuous.
Link, PCs only. (Thanks, Sean Bonner)