If you're in desperate need for a screen protector at work or at home, roll some plastic wrap on your computer or device. It's a great short term replacement if your phone case broke.
Laptop overheating? Not only do you need to prevent it, it can cause serious damage. If you don't want to spend money on a fan, get two forks and place upside down under your laptop.
Tired of looking down and typing? Attach a coat hanger to your screen and paper you are copying. You'll get it typed up much faster!
Tired of your computer cords getting all tangled up? How about constantly unplugging the wrong one? There's an easy fix. Use bread clips to label and organize every cord!