Welcome! Arghblarg covered most of it - now you can participate here as much as you might like to.
DRS is only getting more relevant and more important. Check out the WhyDRS community here for some info about how I'd like to spread DRS information to everyone, not just GME investors.
https://lemmy.whynotdrs.org/c/Superstonk@lemmit.online
Here's a link to a Superstonk mirror community, if you want to keep up on the subreddit without using actual Reddit.