The master list of role-playing-game-related people to "follow" on Twitter. This list is far from exhaustive and is industry-centric (game designers and the like) - but if there are folks like me out there who are looking for interesting RPG-types to follow, here are a few suggestions.
Use this list as a starting point. It's certainly not an exhaustive list! You'll soon find yourself discovering other people to follow simply by virtue of using this starting network. You'll see who they tweet to, retweet, and so on and develop your own list.
Of course, you'll end up following a lot more than just RPG folks - there will be many people to follow no matter what interests you have. For example, I follow a number of British comedians, the BBC, some of my favourite TV shows, some friends, and so on. But this post is about using Twitter to enhance your gaming.
The first thing you'll probably ask is "What's the point?" I did, too. It was only when I read this excellent post by weem and installed Tweetdeck that I got the hang of it, and I'm glad I did. I strongly recommend that