How should X recommend content?

“Really, all of the posts on the X platform should be AI recommended, meaning we should populate a vector space around any given post, compare that to the vector space around any user and match the two.”

— Elon Musk, 9 November 2023 · Watch: Elon Musk: War, AI, Aliens, Politics, Physics, Video Games, and Humanity | Lex Fridman Podcast #400 · 1:29:50 ↗