Multiple choice general knowledge science & technology Which common technology is named after a 9th century Viking king? Bluetooth Chrome Babelfish Translator Blueray Reveal answer Fill a bubble to check yourself A Correct answer Explanation Bluetooth is named after 10th-century Viking King Harald Bluetooth, who united Denmark and Norway. The technology was named to symbolize uniting devices. Chrome, Babelfish Translator, and Blueray have different naming origins.