Tiny Mobile LCD Projectors

I remember when digital projectors were giant, bulky and expensive. Soon companies such as 3M, Samsung and SK Telecom will be offering pocket-sized projectors which will hook up to your mobile phone or laptop and cost less than $400. Get ready to project your favorite YouTube video onto the back of the head of the person sitting in front of you on the bus. Check out the article about all this in today's New York Times.