In short, Twitter is is a free social networking and micro-blogging service that lets people to send and read other people’s updates or "tweets" which are text-based posts of up to 140 characters.
My personal jury is still out with its final verdict on Twitter, but while we’re studying the pros and cons of its case, you may want to check out this excellent BusinessWeek article, "Why Twitter Matters." It’s a terrific primer.
I do believe that Twitter, Blogs and other services/tools such as these offer people and brands a great opportunity to build trusted networks and an authentic true voice.
OK, maybe my jury is out, but I’m a betting man and I’d bet that I’ll be "all a twitter" very soon!
Here’s a BusinessWeek.com slide show to learn more about the Twitter story too.