The touch communications project that recently won the best paper award at ACM MobiCom has been featured in MIT Tech Review. The WINLAB team led by Prof. Marco Gruteser built a working prototype pictured here.
A special ring worn on the finger the finger transmits a few bits of data through the skin to the touch screen.
The method demonstrated by the WINLAB prototype "opens new directions in user interaction and authentication", says Romit Roy Choudhury, a computer scientist at Duke University familiar with the research.
To read the full article click: http://www.technologyreview.com/news/429037/replacing-your-password-with-a-finger-swipe/