There is a FAQ
I'm not a pod admin, but it's not hard to set up a pod, so I may soon be :)
You should be able to download your data, that's one of the basic ideas here - you own your data.
You can follow #tags
and people (by adding them to Acquiantances) - this way you get a feed that's tailored to your interests. See this
post to see why it's important to follow people. You can also ignore people, e.g. spammers, trolls etc.
Diaspora is similar to FB, but kind of more keep it simple. There's not so many fancy features, but sometimes there's extra stuff, e.g. you can format text using Markdown, e.g like this
. People here like to use related decentralized services such as #mastodon
. There's a lot more talk about #freedom
and stuff like that, but anything goes, e.g. try #caturday