Courier user interface in-depth -- photos

The pen: The Courier pen is not a dumb stylus: There are two buttons, an eraser, and a twisting mechanism to switch to a different drawing mode. The top button is an undo button, so you won't have to flip it to erase something every time you screw up.

November 4, 2009 1:28 PM PST

Photo by: Gizmodo