A widget created by Twitter Gadget for Gmail users allows integration of Tweeter inside your Gmail interface. This integration is possible via Google Labs Gmail by using the Add gadget by url functionality.
Just activate this option in Google labs. The in the tab Gadgets situated on the same Labs page, add the following url:
The gadget cand handle smilies, lets you consult Replies, Direct messages, Favorites..
Once the gadget is added, it will be directly integrated in the left toolbar of your Gmail interface. You log in on your tweeter account, and you are ready to tweet.Adrian