The Consumer Electronics Show, the biggest technology trade show in the world, is once again open for business. After two challenging years coping with the COVID-19 pandemic, which was particularly difficult for the conference and trade show industry, CES is expected to welcome about 100,000 attendees this week in Las Vegas. That's down about 40% from CES 2020 but still a significant jump in the numbers who attended in 2022. Over the past two years, CES managed to put on its show, which was all digital in 2021 and a hybrid digital and in-person in 2022 amid the Omicron surge. This year, the Consumer Technology Association, the trade organization that puts on the annual event, says about one-third of the attendees are coming from outside the U.S. "On the exhibitor…