Via iampariah.com:

This, I would think, would work just as well for co-workers prone to peering over the cubicle wall or checking out one’s computer over one’s shoulder.

Have you ever sat on a plane, next to an irritating traveler who keeps talking to you, snooping at everything you read,etc.? Next time, follow these instructions:

1. Open your laptop computer.
2. Start up.
3. Close your eyes and tilt your head up to the sky. Take a very deep breath…
4. Then hit this link