Nothing livens up the work day or gets HR's attention better than a good old office prank. Here's a collection of some of the best, or worst, depending on your perspective.
Cubicle to Cottage
When a co-worker went away for business, the rest of the office teamed up to give his working space an extreme home makeover. By the time they are done with it, the improved cube has a mailbox and functional ceiling fan.
Prank YouTube Video
An unsuspecting employee opens a link to a to a YouTube video of a dot moving through a maze. Just when they started concentrating on the video, an image of Linda Blair from The Exorcist pops up. Needless to say, not a pleasant experience.