Here's a bit of information that is purely for the purpose of education: electronic road signs are (usually) really easy to hack. All you have to do is open up the control box, enter "DOTS" as the password (if it even has one), and input whatever evil message you want to spread. Now, of course, we're not recommending you go out and actually do this. That would be immoral. But if you were to go forward with such a diabolical plan, the results would be glorious. Just make sure that you're creative. The bar has already been set high with these 25 Hilarious Hacked Road Signs.
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