I basically used twitter for news some update and a couple of writers and actors accounts. Mastodon lack a bit of variety right now but you can find tons of content from users pages.

Interesting, I joined recently, followed a couple of people and hashtags, posted and got responses which I didn't expect as I was there for a day.

I've found squabbles pretty good for tweet style content. There seems to be a pretty engaged audience who can look at a short sentence or photo and happily engage with a comment