How did a wireless communication device come to be named after a ruthless viking who lived thousands of years ago? In today's amazing story we're going back in time to learn about "Bluetooth" Harold I of Denmark and his legacy that lives on in the modern era. Check out my new channel I Am: https://www.youtube.com/channel/UCH5YmeRhiQZt9_5Eky3A2og ???? SUBSCRIBE TO THE INFOGRAPHICS SHOW ► https://www.youtube.com/c/theinfographicsshowOFFICIAL?sub_confirmation=1 ???? MY SOCIAL PAGES DISCORD ►https://discord.gg/theinfographicsshow Facebook ► https://www.facebook.com/TheInfographicsShow Twitter ► https://twitter.com/TheInfoShow ???? SUGGEST A TOPIC https://www.theinfographicsshow.com ???? SOURCES: All videos are based on publicly available information unless otherwise noted.