@bthall just click in the 'search' form on the left side (if you're using the Mastodon client) and you should see hints on searching. If you want to find posts with the introduction hastag, just search on #introduction :) - it should search your instance and any of those posts that have passed through your instance (e.g. from those others on your instance are following). Might even go farther afield than that. Not sure.
@cratesmith Oh I see now, you have to pin it first, then you see the settings. Thanks for pointing me to this!
Welcome to thundertoot! A Mastodon Instance for 'straya