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Hey Hacker News,

I built this tool around uncovering Facebook advertising interests.

For each keyword you put in the ads manager, Facebook™ shows only 25 interest suggestions, the same that it shows to everybody.

Turns out more interests are just an API call away. If you are a dev, it's pretty simple but I thought to develop a free tool for non-technical people.

This was a small feature of a product I built almost three years ago and decided to give it new life.

It's entirely free to use.

Hope you like it!