Next time you head to Japan, you may just see evidence of Big Brother. NEC has been working on a plasma display screen that houses a camera. It can identify a person’s age and sex for specific ads. You hold up your cellphone to the 50-inch display and a QR code with URL will send you additional product information. Since we think this is a little too much information for us, we would rather do our shopping in the privacy of our own computer. Yeah, like that’s safe.