CES 2021: Your Preview to the Ultimate Technology Show The show will be entirely digital and Microsoft will be its primary partner in the technological presentation of the show. Earlier this year, the Consumer Technology Association, which owns and produces International CES, announced that the 2021 version of the event would take place virtually. CES normally takes place in earlier January at multiple convention centers in Las Vegas, and the nation’s largest trade show. After giving some consideration to a partially in-person show, CTA announced in July that the show would be entirely digital and later said that Microsoft would be its primary partner in the technological presentation of the show.