Remember King Bluetooth? He did more than provide the name; he's also behind the logo. The Bluetooth "B" icon is a combination of the Nordic runes for the letters H and B—for Harald Bluetooth. Who ...

As for the name? Well, according to Bluetooth itself: “The Bluetooth logo is a bind rune merging the Younger Futhark runes (Hagall) (ᚼ) and (Bjarkan) (ᛒ), Harald’s initials.” ...