A sign for messages between drivers

When we drive, we sometimes pass dangerously because we have not pay attention. This makes the other driver nervous, and it's dangerous to get nervous on the road.

Today there is no simple way to tell the other driver anything. If it is possible to notify the second driver a message, everything will be better.

The idea is that it is possible to put a billboard on the vehicle, and each time to write another message electronically. 

This system will also be used to display advertisements and then the drivers will earn money while driving, just as there are advertisements on buses.

 

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