Alex Daily! 
picking a mastodon server to join is easy -- just think of it like you're allying with one of many families in a war-torn medieval land, each with their own histories, feuds, laws, blood rituals
PanicButton@Alexis When I joined, most of the instances that looked interesting to me were closed. Honestly, I'm glad for that. Starting in a small instance meant it was easier to figure things out and meet the locals, as it were.