For those who believe that twitter is simply a passing fad for those who dabble in trivial matters, you're only looking at one side of the coin.
Imagine being able to instantly alert anyone on your twitter list about a new product, service or update.
The ability to embed pics and urls has more potential than most dare to realize. Of course, you have to build a following first...
Mine?
http://www.twitter.com/Yorickbrown