Passwords are important, of course. They help to keep your online profiles and accounts secure. But they're also a ridiculously frustrating method for maintaining privacy in the Internet age. If you're like a lot of people, you've probably forgotten a password or two or three in your day. Keeping track of all your passwords and logins can be maddening.
It may not be long, though, before the whole login/password routine becomes as obsolete as those archaic, screeching dial-up modems. Biometrics, technology capable of identifying you based on your unique biological signatures, is on the verge of going mainstream. Before long, passwords will be replaced with devices like those for fingerprint or eye scanning, voice detection or facial recognition.
In fact, a few biometric devices are already ready for the consumer market. Here are five cutting-edge examples. (Text: Bryan Nelson)