Let's say I care about "HAM radios".

1. I join a group chat

2. I discover it has a FORUM too and is not just a chat

3. Then, I discover:

- it has shared docs (that I open/use from the same app)

- the people in that group are hanging out in Nests every wednesday (that I open/use from the same app)

- I can see the podcasts, movies, recipes, ... these people valued (and open/use all these form the same app)

- some forum posts are simultaneously posted in other groups and I meet a bunch new folks that care about a related subject

- ...