30 Brand Logos We’re All Familiar With and the Little-Known Stories Behind Them

The Bluetooth symbol has become a staple in our tech-driven world, blending Viking history with modern technology. It symbolizes wireless data transfer and music enjoyment without wires, a concept inspired by Jim Kardach’s interest in Vikings while developing the technology.

During his Viking research, Jim Kardach discovered King Harald, nicknamed Blue Tooth. The obscure reason behind the name—possibly his fondness for blueberries—inspired Bluetooth’s name. The emblem, deriving from Viking runes, artistically represents Harald’s initials, HB.