You know how when you get a link from somewhere it's got all that utm_source=exploiter&utm_medium=banner rubbish in it? And as a service when you're pasting this oh-so-hilarious link to your friends so they can share in the joy, you remove all that stuff?
What if the computer did it for you?
Yeah. Clearly it should. Now it does. utm_no sits in your panel and automatically removes tracking rubbish from links that you copy.