Newsgroups and mailing lists are both great ways to keep up with a subject that's of interest to you. You can jump in and participate and, better yet, unsubscribe any time you want. Take some time to subscribe to one or two mailing lists and a few newsgroups, just for fun.
And now that you know how to stop spam, use emoticons, observe netiquette, and so on, you know even more than you really have to. Doesn't that make you feel special?