Understand the concept of notifications
Use Notifications settings to organize your notifications
Tweet directly from Notification Center
Manage the type of notifications each application sends you
Temporarily turn off all notifications when you’re too busy to pay attention
Like a personal secretary, Notification Center monitors all your incoming information and keeps you up to date when things happen. You can get notifications for important arriving emails, current calendar events, your reminders, tweets to you, and other things that you might want to be aware of.
And like a really good personal secretary, Notification Center can tell you only those only things you want to know about ...