This article gives a consumer's eye view of some of the possibilities and limits of very low cost face rec.
The future has flying cars, replicators, and computers that recognize your face and let you log in just by looking at them. While we may have to wait a bit longer for the cars and the replicators, we can have face recognition right now, and it's surprisingly affordable. I took a look at BioTrust ($13), and it took a look right back at me.
