Have a little fun with a friend's computer.
The perfect way to avoid boredom at work or in the classroom is with a good old-fashioned prank, and this one is for tech-minded. [Change] your coworker's (or classmate's) computer screen to be displayed upside-down, which will totally freak them out when they return from lunch or the restroom. The best part is watching them try to revert it back to normal!
link: How to Prank a Coworker or Friend by Flipping Their Computer Screen Upside-Down
**related: Prank a coworker
***bonus: Freeze a screen
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