Optionally hides all the useless guff on the twitter website (who to follow, trends, promotions, definitions).
Hides all the useless guff Twitter keeps cramming onto their website, namely:
1. The 'Who to follow' suggestions*
2. The 'Promotional' ads
3. The Twitter Promotions
4. The Twitter Trends*
5. NEW: Promoted Tweets
* Can be optionally turned off or on in the options page!
(Tools > Extensions > Hide Twitter Guff: Options)