Send Passwords Securely Through Your Body Instead of Wi-Fi

Rather than rely on easy-to-hack Wi-Fi or Bluetooth signals, researchers have developed a system that uses the human body to securely transmit passwords.
Computer scientists and electrical engineers have devised a way to relay the signal from a fingerprint scanner or touchpad through the body to a receiving device that is also in contact with the user.

http://www.livescience.com/56323-secure-password-transmission-through-your-body.html

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