[Cryptography] Encryption opinion

[Christian Huitema]

> Trivia: a boss of mine got himself a wireless mouse for his Xterm, and it 
> was really neat.  Then, one day, the cursor decided to move around all by 
> itself (and had I not seen it with my own eyes, I would not have believed 
> him).

Lots of potential with that. The mouse talks to the laptop, all the while
broadcasting its presence and a unique identifier. Better yet, the phone
chats with the smart watch, providing a convenient beacon for whoever cares
to listen. And don't get me started on the FitBit...

-- Christian Huitema