Looking for a tool that unlocks my laptop when I'm nearby, but locks it when I move away. This isn't it, but it looks like a cool project nonetheless.
"The NFC Ring can be used to unlock doors, mobile phones, transfer information and link people. Best of all the NFC Ring glides right onto your finger - no updates, no charging, and no fuss."
https://www.kickstarter.com/projects/mclear/nfc-ring
"The NFC Ring can be used to unlock doors, mobile phones, transfer information and link people. Best of all the NFC Ring glides right onto your finger - no updates, no charging, and no fuss."
https://www.kickstarter.com/projects/mclear/nfc-ring