How do they determine what's a housing ad? By doing it. Facebook loves to try to play both sides, and claim to paying customers that it absolutely has the abi

How do they determine what's a housing ad? By doing it. Facebook loves to try to play both sides, and claim to paying customers that it absolutely has the ability to do a thing, while turning round and saying to regulators that it is only a poor helpless social-media network utterly lacking in the ability to do such things. If even a fraction of a fraction of a fraction of the capabilities Facebook claims in its materials for advertisers are genuine, it can figure out which ads are housing ads.