Pause is a feature that allows you to stop app notifications while it continues to silently collect data in the background. When you unpause, it continues to operate normally, with all the number badges and other features will displaying the total since you paused.
Syrinx is a free, customizable twitter app for the Mac. It's interface is simple yet configurable. You can view a column at a time, either your friends, your @ mentions, or your DMs. Some key features: