He was far better known for his Twitter feed, which started long before he was president and was his go-to outlet for expressing thoughts about the news, praising loyalists and insulting rivals. As president, he kept up that practice and used the platform as well to fire staff and announce policy decisions. It’s unclear whether he can create the same buzz via Facebook, which, unlike Twitter, doesn’t deliver posts chronologically. Rather, Facebook’s algorithm shows users’ posts based on a complex, secret, ever-changing formula of user likes, dislikes, past usage, friends, even location. The company in 2018 decided to emphasize posts from friends and within Facebook groups and downplay news and posts from brands and companies. Trump supporters remain active on Facebook and have hundreds of groups dedicated to highlighting his ideas. But engaging with them is more complicated than a simple post via Trump’s own pages.