You are being watched — especially when you go to the airport. But now you might be recognized, too. A company called Flight Display Systems has been demonstrating a $9,275 facial recognition device (pictured here) that can be installed inside airplane doors to check the identity of every person entering the plane, and alert staff if there is an "unauthorized" person. Basically it's just a souped-up CCTV camera, and it can be installed anywhere fairly unobtrusively.

The biggest problem? It's only 75-90% accurate. Get ready for some serious civil liberties violations...