A recorded talk about all the weird/awsome devices, robots, installations and vehicles that are controlled by Linux.
This was interesting, though I was expecting (and hoping for) a rundown of often overlooked technical quirks of Linux. Perhaps a more accurate title would be: "Linux Powers Some #@&%ing Weird Things."
To his point, the other day I saw a digital billboard along the freeway that had apparently crashed and was displaying some GRUB output and errors. I would have taken a photo if I hadn't been driving.