Bluetooth is actually named for the tenth-century Viking king Harald "Bluetooth" Gormsson, but the protocol developed by Harald was a wireless charging standard unrelated to the modern Bluetooth except by name.
[Hovertext](https://xkcd.com/2055/):
> Bluetooth is actually named for the tenth-century Viking king Harald "Bluetooth" Gormsson, but the protocol developed by Harald was a wireless charging standard unrelated to the modern Bluetooth except by name.
Hovertext: