Tiny trackpad uses your thumbnail to navigate devices
 

Several companies are working on eye-tracking tech as a way to navigate devices. A team of MIT researchers, however, have their eyes set on another body part: the thumbnail. Graduate students Cindy Hsin-Liu Kao and Artem Dementyev are developing a ti...

http://www.engadget.com/2015/04/18/t...=rss_truncated