The short video platform TikTok appeared for the first time in a U.S. congressional hearing. On the morning of October 26th, TikTok executives took to the witness stand of the U.S. Congress to confront members of Congress on the issue of youth user protection and data security. The hearing, which lasted more than three and a half hours, included questions from lawmakers about the psychological harm caused by technology platforms to teenagers, as well as algorithms and data transparency.