Bluetooth Shoes

Forget LEDs, here come the shoes that authenticate you.

From Threat Level, which often warns about real threats that are worth fighting against. Bluetooth shoes may not be one of the worrisome things -- that is until they start broadcasting your identity or exhibiting other promiscuous or spoofable behavior.

On a similar note, some video cameras are being hooked up to software that attempts to identify people by their gait (how they walk). This type of mass surveillance may turn out to be more evil in the long run than shoes that let you into your workplace without a keycard.