The world’s biggest electronics and tech show kicks off today in Las Vegas but calls for its cancelation has prompted the 4-day event to close one day early with surging COVID cases nationwide. Despite the metaverse being the biggest buzzword this year, health tech has taken center stage with battery-free thermometers and Portl unveiling a smaller version of their life-size hologram already used by hospitals and universities. NBC’s Jo Ling Kent reports for TODAY. » Watch TODAY All Day: http://www.youtube.com/today » Subscribe to TODAY: http://on.today.com/SubscribeToTODAY » Watch the latest from TODAY: http://bit.ly/LatestTODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: http://on.today.com/ReadTODAY Find TODAY on Facebook: http://on.today.com/LikeTODAY Follow TODAY on Twitter: http://on.today.com/FollowTODAY Follow TODAY on Instagram: http://on.today.com/InstaTODAY Follow TODAY on Pinterest: http://on.today.com/PinTODAY Consumer Electronics Show Returns With Holograms, Augmented Reality