...or even older: http://www.brighthand.com/article/pictureperfect/
A friend of mine had a palm and a picture of a pyramid where he pointed at the corners and the center to log into his device.
But also, where is the difference from the lock screen on the iPhone? or any other touch device. It is just convenient that the position in the picture can be memorized through a sequence of numbers. The principle is exactly the same...
...or even older: http://www.brighthand.com/article/pictureperfect/ A friend of mine had a palm and a picture of a pyramid where he pointed at the corners and the center to log into his device. But also, where is the difference from the lock screen on the iPhone? or any other touch device. It is just convenient that the position in the picture can be memorized through a sequence of numbers. The principle is exactly the same...