Ecofon is a great choice for all those users who want to be up to date and are twitting all day.
Do you have more than one Twitter account? Don't worry, Echofon allows you to have more than one account and be logged on them at the same time to know what happens in your different Twitter worlds.
This extension adds a tiny icon on the status bar that notifies you when your friends update their tweets. Also it has a small text input field to update your tweets.
Don't hesitate, if you like Twitter, You need Echofon to make it even easier and attractive.