https://www.cnet.com/news/bran-stark-is-game-of-thrones-season-8s-meme-lord/

Warning: Game of Thrones season 8 spoilers below.

His schtick is that he can see most of history in his mind if directed to it, which is why, in season 7, he knew what Petyr "Littlefinger" Baelish had said to Ned Stark after betraying him aaaaaall the way back in season one. In the first episode of season 8 (recap here), Bran spends a lot of the show sitting in Winterfell's square and staring at people from a distance. He tells Samwell Tarley that he's waiting for an old friend.