I've actually started using Facebook again regularly, recently. Not really to connect with friends... mainly for Marketplace (RIP Craigslist, unfortunately) and to post on a couple active private Facebook Groups. Local community groups and some for hobbies/interests.

What strikes me is how exhausting using Facebook is for these purposes.

To read any Group you are constantly tapping tiny a "View More Comments" button. Very hard to read FB as you would HN or a forum, despite some great Groups and information there. When you get to the bottom of a group post, it shows you an endless scroll of "similar" content from entirely separate groups. I hate the entire experience. Anything to get you to keep scrolling and see another sponsored post.

Marketplace started out as a modern, local, second-hand goods CL competitor, but has devolved into shipping new cheap meme items. My main Marketplace feed is now crap like Rick & Morty stickers. Or the constant sponsored ads for new furniture or other products. Very hard to use Marketplace how I want to, which is finding local used antiques and unique items. I really wish CL had adapted to the new mobile landscape and competition a decade ago.