Do you know the reason behind naming it 'Bluetooth'? The historical story behind it is fascinating.

Bluetooth is one of the most important remarkable inventions that has changed the course of humanity, connecting all devices together, and revolutionizing the world of communications. But what is 'Bluetooth'?.

The name 'Bluetooth' traces back to King Harald Gormsson, who ruled Norway and Denmark in the 10th century AD. The king was renowned for his extraordinary bravery and strength, which enabled him to unify two kingdoms under his control and rule without disruptions.

Due to his powerful reign, Harald Gormsson was dubbed 'the Great Unifier,' which made him one of the greatest kings of both countries throughout the ages.

King Harald Gormsson had a fondness for consuming dark-colored blueberries, consuming vast quantities of them until their juice began to stain his teeth blue.

Rumors spread about King Harald Gormsson, suggesting that his teeth turned blue due to his excessive consumption of blueberries. As a result, he became known as 'Bluetooth,' referring to his blue teeth.

With the invention of Bluetooth technology, its inventors needed a name that expressed the invention's ability to unify the world, so they named it after the king, 'the Great Unifier.

The logo for the invention of Bluetooth was designed by merging the first two letters of the king's name, 'Bluetooth,' written in the ancient runic alphabet, resulting in the shape known to the world today.