Okay, this just shows how much of a geek I am but I totally want one of these. I think changes in the way we interact with technology is fascinating. My instructor at Walden University shared this video link with me at the Teaching, Entertainment, and Design website (TED). In the video Dr. Patty Maes and her student, Pranav Mistry, talk about a clever invention they have designed that changes the way people interact with technology. It is definitely worth a gander. http://www.ted.com/index.php/talks/pattie_maes_demos_the_sixth_sense.html
It's a wearable device with a projector that works with your cell phone to allow some pretty interesting interactions with your environment.