Dubbed ‘sixth sense’, this device is the brainchild of student Pranav Mistry(MIT) and combines optical sensors with mobile connectivity to augment the physical world around us with digital information.

source : http://www.techspot.com/news/33875-amazing-sixth-sense-technology-shown-off-at-ted.html

Imagine when you walk upto kiran! any guesses on what TAGS would hover? 🙂