This e-ink watch can change its design at the touch of a button
 

It's not like we haven't seen e-ink watches before, but we've never seen one quite like this. FES Watch uses e-paper not only for its face, but its entire strap, allowing the wearer to change its design with a simple button press. By combining...

http://www.engadget.com/2014/11/20/f...=rss_truncated