I did this for our IT department at the Law School. It’s one of those ideas I didn’t have to think about very much: if you walk around a law school at finals, you don’t see students doing much but tapping away at laptops.
A rough sketch for the general idea:
Start cutting and pasting stuff into Photoshop from Google Image Search:
Draw a (slightly) tighter sketch:
Then see a much better-executed idea in the NYTimes: