February 15, 2022 – It was August 2020. Tom Divon, 34, who researches social media users’ behavior, was working out in the gym. As he would often do, he browsed through TikTok, the ubiquitous social media network which attracts many teens and is known for its popular – and sometimes dangerous – challenges. Suddenly, something caught his eye. “I see this report about kids on TikTok dressing up as Holocaust victims as part of a challenge,” says Divon, a faculty member at the Hebrew University of Jerusalem’s Department of Communications and Journalism. Since his doctoral dissertation is about Gen-Z behavior...