Some starters:

-the Fediverse

-the subreddit

-the Great Vegan Debacle

-The banning of r/chapotraphouse

More obscure:

-The pronoun struggle session

-How the movie nights got started

-How the comms were created

-outdoor cats

-@black_mold_futures

-@TimeCubeEvangelist

Don't go further

-@Beatnik

-@Enver_Hoxha

-@BASED_BALL