Everyone* is going to be there, they did the work so the Brands were there on day one being all Brand-y, all the influencers and Creators are there, plus there are enough early 21st century mall cops around so the Nazis aren't *too* visible. It'll be packed and Elon is fucked. The amount of prep work Meta must've done to get all those blue checks lined up on day one, they know how to run their advertising businesses.