What are you doing? Read and update Twitters right on your desktop! The Twitter gadget from Google is an add on for Google Desktop. It's pretty basic and currently still has a lot of bugs. If you use Google Desktop then it's worth checking out, otherwise, you would be better off trying a client with more features

Requirements: Google Desktop 5 or higher

The license of this software is Free Trial Software, you can free download and get a free trial.