Damon Beres in the Atlantic Intelligence newsletter: “Although it was not the first app to offer an endless feed, and it was certainly not the first to use algorithms to better understand and target its users, TikTok put these ingredients together like nothing else before it.” The app was so effective—so sticky—that every meaningful competitor tried to copy its formula. Now TikTok-like feeds have been integrated into Instagram, Facebook, Snapchat, YouTube, X, even LinkedIn. Today, AI ...