TikTok has launched tons of trends. Will its influence last?

new york — TikTok and its bite-sized videos arrived in the United States as a global version of the Chinese app Douyin in 2018. Less than six years later, the social media platform is deeply woven into the fabric of American consumerism, having shortened the shelf life of trends and revamped how people engage with food and fashion.  The popularity of TikTok — coupled with its roots in Beijing — led the U.S. Congress — citing national security concerns, to pass a law that would ban the video-sharing...