Ok, you may or may not have heard the following joke;
How many mice does it take to screw in a light bulb?
2, the hard parts getting them in there
Ha ha etc (it is actually quite a good joke :) ). Anyway, I told this to a friend once, and she didnt get it. I spent a day explaining it to her. I even drew the following picture, which I thought was soooo good it deserved to be aired on the internet:
Heh heh.
I still dont think shes got it.