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.” ...

The best wireless headphones would barely exist without it, and it created the whole new category of true wireless ... protocols? Even the Bluetooth logo is derived from the runes of Harald ...