It was originally going to be the codename, but here we are, nearly 30 years later, still saying "Bluetooth." The logo also has a surprising history behind it. You may think it's just a cool ...

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.” ...