The Consumer Electronics Show (CES), one of the world's largest trade fairs, returns to Las Vegas in person this week under a newly resurgent pandemic that has supercharged the industry but threatens its downsized expo.
Multiple companies -- including Amazon, BMW and Microsoft -- reduced or canceled their attendance as Covid-19 case numbers broke records, but organizers said safety protocols were in place for thousands of expected attendees.
Masks and proof of vaccination are required at the show
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