Does it seem like everyone is using Twitter? Are you looking for a Twitter client for your BlackBerry? Perhaps you should try TweetCaster by Handmark. Send a tweet and get it for free!
Here are some of the features:
* Toggle between accountsIf you use Twitter, I hope you'll find this application useful. You can get TweetCaster here. Make sure to follow @DrJosephKim
* URL shortening
* Picture sharing
* One-step @reply and RT
* GPS locator to find Twitter friends near you
* Real-time trending topics list