Fitness classes are among the many elements of daily life that moved to Zoom during the pandemic.

In this picture taken on March 30, 2020, YogaUP founder Chaukei Ngai (top C) is seen leading a group of students as they appear on her laptop screen via the Zoom online video conferencing platform, during a live streamed yoga class at her studio in Discovery Bay, on the outlying Lantau Island in Hong Kong. – More than 3.4 billion people have been called on or forced by authorities to stay at home, around 44 percent of the world population, according to a count based on an AFP database. Many are wondering how they can stay healthy during the weeks — and possibly months — of self-isolation that lie ahead. Hong Kongers, who live in some of the world’s smallest apartments, say it can be done. (Photo by Anthony WALLACE / AFP) / TO GO WITH HongKong-health-virus-fitness,FOCUS by Jerome TAYLOR (Photo by ANTHONY WALLACE/AFP via Getty Images)