See this is why I couldn't work in TV, (even though I'd love too, if you're a TV producer - nudge nudge wink wink :P ) the teleprompter!!
Its used so the presenter or news reader etc. can read a script from a screen. If you've seen anchorman you'll know that this script can be typed and changed and literally anything can be a written there.
The famous scene in the film has been brought to life..........:).........watch the video below