Add LED display text board outside cars that people inside the car can control so you can more eloquently express whatever you want to say to the driver next to you

Posted by siandresi@reddit | CrazyIdeas | View on Reddit | 8 comments

Imagine if you can type up something that the guy who's tailgating you can read: "back the F\* UP" or any message you want to give the cars around you, what would it do to driving ,if anything Think of a bumper sticker that you can edit in real time and is big enough for everyone around you to read 

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8 Comments

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SlideWhistler@reddit

I could let people know that they only have one headlight working

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siandresi@reddit (OP)

true! Or You can let people know to turn off their high beams, and they'll be like "but they are not on" and you're like "I dont believe you, are you sure?" etc etc

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SlideWhistler@reddit

Nah, I can tell people their high beams are on by flashing my highbeams at them. Then they can tell me they aren’t on by flashing their outrageously bright highbeams at me.

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AaronLewis007@reddit

What if they behind u

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xczechr@reddit

These things existed back in the day. Little books with various saying in large prints that you can show to other drivers. The messages were mostly, let's say impolite.

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CerebralAccountant@reddit

[It's already a thing](https://jalopnik.com/bus-drivers-in-hawaii-can-throw-up-a-digital-shaka-when-1851250343) (kind of, sort of, in a very limited way) on buses.

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siandresi@reddit (OP)

Oh wow thats cool!

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freakingexistential@reddit

I feel like thats a little dangerous, unless you have a passenger with you to type out the message. Or if you get speech to text software with it