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There is a little computer in your car that records information that you would not have imagined. It knows the speed you're racing down the highway, it knows whether or not you're pounding on the gas or the brakes, it knows if you're wearing a seatbelt, and so much more.

The memory is stored in this little information box, safe and sound, until you get into an accident. Very similar to the black boxes on airplanes, this box holds some very important data about a driver's history.

The boxes are called event data recorders or EDRs. These devices are already in the majority of automobiles, according to the National Highway Traffic Safety Administration (NHTSA) in 2008. Its statistics showed that 65% to 90% of vehicles already had EDRs installed. The purpose of the boxes was to collect information that might explain what events lead up to an accident. Most EDRs can be found under the seat on the driver's side.

This EDR must be able to duly note changes in the following: the forward crash speed, a vehicle's speed before an accident, the maximum change in forward crash speed, whether or not the driver hit the break, how far in the accelerator was pushed, ignition cycle information, whether or not the driver was wearing a seat belt, the number of crashes, the times between crashes, whether or not the air-bag light was on, and whether or n...

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