4. Reddit — use @gummy_search .
This is an amazing tool for researching Reddit subs! Just type in your keyword and get relevant subs.
Sneak peek into Solution requests (!) and Pain expression (what people in these subs are unhappy about. A gold mine for product design!
1st thing that came to mind:
"Do you know @gummy_search?"
You can find communities and conversations on Reddit there. Then you find people to talk to.
As known, Reddit can be a great way to find your audience. There are so many different subreddits, one of them might be yours.