Check out this TED lecture: Pranav Mistry: The thrilling potential of SixthSense technology, not only for what might be ahead in the world of computing (hint: the line between computing and interacting with the real world is about to get quite blurry) but also for what a brilliant mind can think of when pondering the workings of an ordinary computer mouse. You are in a taxi on your way to the airport and want to check the status of your flight. Who needs an iPhone? Simply look at your boarding pass, and a tiny device attached to your body reads the information and projects back onto the card that your flight is 20 minutes delayed. Thanks, Janet, for sharing this.