Bluetooth Runestone in Lund, Sweden

Bluetooth was developed by a group of engineers who worked for Ericsson in Lund, Skåne, during the 1990s. The technology was officially launched in 1999 and has since become a standard for wireless communication. The name "Bluetooth" comes from the Danish king Harald Bluetooth, who was known for uniting Denmark and Norway during the 10th century. Just as the king united different tribes, Bluetooth technology aims to unite different devices. Bluetooth uses radio waves to transmit data between devices. It works by creating a personal network connection, allowing devices to communicate without...