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> As soon as car manufacturers implement dash cams, government will regulate it to require that it records the speed of the car as well

Why would a camera force this regulation when every car already has a ... speedometer?

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Does a speedometer record how fast you were going 1 minute before the crash.

Yes, since the mid-2000s in the U.S., at least.

https://en.wikipedia.org/wiki/Event_data_recorder

https://www.ecfr.gov/current/title-49/subtitle-B/chapter-V/p...

Google Maps records everything and sends it to the cloud to log your entire journey while using the app. They've made it into a feature to show "average speed" and similar details in the Maps app.

They have your speed, where you began and where you were going. Way more damning.

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