The stylus was able to use hand writing recognition software.

Cuneiform texts were written on clay tablets, on which symbols were drawn with a blunt reed used as a stylus.

I'm like, You're a what? He goes, Well, Jeff Hawkins, the CEO, says, 'If any task on the Palm Pilot takes more than three taps of the stylus, it's too long, and it has to be redesigned.' So I'm the tap counter.

In Angola, the Chokwe people draw lines in the sand, and it's what the German mathematician Euler called a graph we now call it an Eulerian path you can never lift your stylus from the surface and you can never go over the same line twice.