relay.fedi.buzz... What this does is gather posts from instances you're not already talking to and brings them in for you... Here's how to do it as a single user.
Using a tag you're already following, type this into the search box (without spaces):
@ tag-[TagNameHere] @ relay.fedi.buzz
That'll bring up a result. (See picture.) Click on the follow icon. You will see more soon.
