Hard to believe. The reason why search related ads work well is because the search engine knows about the intent... You just entered it.
An ad on a news feed on the other hand is almost always something you don't want. The same goes for most ads on websites, they're likely something you do not want or something that does not align with your intend.
An ad on a news feed on the other hand is almost always something you don't want. The same goes for most ads on websites, they're likely something you do not want or something that does not align with your intend.