They uncovered a secret message in the Bluetooth logo, and even though the technology has been around for 28 years people are only just realising. ...

Bluetooth technology is used by millions of people every day, but many are unaware of the fascinating history behind the name and logo, which date back over 1,000 years to Denmark and Viking royalty ...

The logo is two merged "runes," or letters from an ancient, pre-Latin alphabet, Hagall (ᚼ), and Bjarkan (ᛒ), according to the Bluetooth SIG. Drop Hagall on top of Bjarkan, and voila , you have ...

Bluetooth technology may be a modern invention, but the story behind the now ubiquitous name and logo reaches back through time, connecting the past to the present.

The distinctive Bluetooth logo also has ties to the Viking ruler. It is a combination of two runes from the Younger Futhark alphabet: ᚼ (H) and ᛒ (B), which are the initials of Harald ...

The Bluetooth logo is familiar to people across the globe Credit: Handout. It turns out the term takes its name from a Nordic ruler who reigned centuries ago. King Harald "Bluetooth" Gormsson ...

One of the stones was ordered raised by Harald Blåtand (whose name translates, loosely, to Harald Bluetooth), King of Denmark during the 10th century, and it included a testament to his own great ...

The now iconic Bluetooth logo is actually a combination—officially known as a bind rune—of King Bluetooth’s initials in Scandinavian runes: ᚼ and ᛒ.

Bluetooth is a household name and changed the way information was shared when it was introduced, but it turns out there has been a hidden message in the logo this whole time ...