It has taken me 10m to work out how to follow someone on another instance. Surely I'm just missing something obvious?
Follow
@jsh If you paste a URL in the search bar and it can be resolved, the profile/post/etc will show up in the Mastodon app. For profiles, you need to know their account handle (@ user @ domain . tld), or their direct URL (if their server is running Mastodon, it'll be https:// domain . tld / @ user)
Server run by the main developers of the project 
It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!