There is a ton of information that is objectively wrong. "A customer who has already made a purchase may be bombarded with redundant repeat ads wherever he roa

There is a ton of information that is objectively wrong. "A customer who has already made a purchase may be bombarded with redundant repeat ads wherever he roams: what we might call the phenomenon of “repetitive irrelevance." Its pretty easy to not do this on a lot of ad platforms. Facebook calls it "exclusion audiences".