Flashback: a brief history of Bluetooth 
It took years but USB eventually replaced the weird proprietary connectors of early mobile phones. However, years before USB became the norm another data transfer technology wanted to unite all electronics – and it didn’t even use wires.
From Infrared to Bluetooth
Bluetooth was developed by Ericsson in the 1990s. It is named after the 10th century Danish king Harald “Bluetooth” Gormsson, who united Denmark and Norway. The Bluetooth logo combines the runes ᚼ and ᛒ, which are Harald’s initials.
The name (which was actually proposed by an Intel engineer) signified the ambition to become…
