Gesture Passwords - A great idea, until...

...this happens. That's right, Android has a nifty feature where your phone can be password-protected with a gesture - swiping just the right pattern will unlock it. It's a very usable, clever idea - swiping is more natural and quicker than typing in a code, for example. As this photo from Will Park shows, however, you just need to be aware that the one time you unlock your phone with greasy fingers, your password gesture is out there for the world to see!
[IntoMobile, via Gizmodo]