In some of the music communities I'm in the content creators are already telling their userbase to go follow them on threads. They're all talking about some kind of beef between Elon and Mark and the possibility of a boxing match... Mark was right to call the people he's leaching off of fucking idiots.
you'd likely have to work for some marketing agency and can probably only buy user data in bulk amounts (based on region, or some other desired demographic) with a recurring business plan of course
it wouldn't be financially beneficial for these companies to sell an individual thumbprint