You will now be able to see the interests or categories that matched you with a specific ad.
Excited to start using this to see the interests stores are using to sell their products.
It includes two videos that show you how to access this feature on an ad.
newsroom.fb.com/news/2019/07/u…
FB will block you if you are abusing it.
I would limit to checking 1-3 ads a day, so choose wisely!