For new-ish users to #Mastodon, especially penguicon.social: Welcome! Here's the best write-up on it: https://kevq.uk/how-does-mastodon-work/
Also, lurking is fine, but diversity & engagement is great! Reach out make new friends. Follow people; report bad users (mods will take care of them) & we look forward to seeing your statuses and pics.
No need to keep it about #penguicon only! This is your door to the whole Fediverse!
Write an #introduction post w/ hashtags of your interests to help with discovery!
A way to access the Fediverse, for attendees of Penguicon, an annual convention of science fiction, open source software, and all geeky interests, in Southfield, Michigan, USA.
Convention info: https://penguicon.org