https://apnews.com/article/threads-twitter-meta-instagram-lawsuit-cloen-f6e993c4597ce15b60cc38fe602b6ce8 > Just how similar is Instagram's chatty new app, Threads, to Twitter? > In a cease-and-desist letter earlier this week, Twitter threatened legal action against Instagram parent company Meta over the new text-based app Threads, which it called a “copycat.”