The Bluetooth logo has an awesome secret message

It goes right back to the Viking Age.

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Bluetooth logo has a hidden message and people can't unsee it

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Bluetooth logo has HIDDEN message you probably didn't know about

Bluetooth logo has HIDDEN message you probably didn't know about

The Viking origins of the iconic Bluetooth symbol

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Bluetooth logo has HIDDEN message you probably didn't know about

Bluetooth logo has HIDDEN message you probably didn't know about

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Bluetooth Logo Has Clever Hidden Meaning In Its Name