Short-form video isn't new. Before TikTok, there was Vine—a platform that popularized 6-second video clips and helped redefine what it meant to go viral. The "Only a spoonful" of ice cream skit lives ...

YouTube cofounder Steve Chen said he is wary of short-form video platforms like TikTok for children. Chen said he is worried about short videos affecting children's attention spans. Sam Altman and ...