Side note: the fact I can make a post and comment on a community in a completely different instance without having to make multiple accounts is awesome.
Not just a completely different instance, but a completely different platform. This thread is hosted on kbin, you and me are posting from lemmy, how awesome is that?
On Kbin, hover the mouse over the "more" menu under the post/replies and click on "copy URL to fediverse", that will send you to the original instance.