If you are a Tweeter this article may be of great interest to you.
"Twitter continues to add a staggering amount of 460,000 users each day. In order to be fully equipped to stay on top of this popular web service, you can use Twitter tools to help. Here are 10 fresh, new Twitter tools that you can use to achieve greater productivity on Twitter-related tasks."
10 New Twitter Tools That Will Make Your Life Easier