3/ If you're new and wondering if you're on the “right" or "wrong" server: don’t. Many of us started on one of the larger servers then moved to another (usually smaller) server 4-8 wks later
Mastodon servers are analogous to Twitter Communities: even those with narrowly-defined topic areas still have access to a firehose of content (w/ some exceptions). One way to explore all the content Mastodon offers is by viewing the “Federated" timeline— and following folks that post interesting content