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Re:BusKill – A USB kill cord for laptops by reaperducer on Wednesday December 15, 2021 @10:00AM (#29566810)
I once wrote a script to automatically lock my computer if I got too far away from it, back when I was wearing a bluetooth wristband.

I had a program like this back in PowerBook days. It automatically unlocked the computer if a specified Bluetooth signal reached a particular strength, and locked the computer again if the signal strength fell below another threshold.

It worked great, when it worked. It had maybe a 70% success rate, but that was good enough.

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