I'm sure this is going to be all the rage with cubicle-slaves (I mean "valued employees") across the nation. Depending on how bored you are, you can really waste your employers' time and annoy your co-workers!
And since this Instructable is an entry in the Office Supplies Challenge, if you like it please give it a "+" rating!
Step 1: Gather the Necessary Supplies
-1 unsharpened pencil
-1 rubber band
-1 disposable cup