Twitter. Plaxo. Gravatar - Globally Recognized Avatars. A Brief and Informal Twitter Etiquette Guide. I love Twitter.
I think the service is a wonderful tool that permits a whole new way of communicating. The thing is, it’s also a place where newcomers might often make some mistakes in their choices that will likely be taken in a negative manner, and will likely result in an unfollow or a block from other Twitter users.