A dashcam is one of those things that seems only slightly important until about five minutes after a fender-bender, wherein it becomes retroactively essential. Even so, those dashboard-mounted cameras don't grown on trees, so most cars in the US still aren't equipped with them. Nexar, a new Android app that's currently in "unreleased" status on the Play Store, aims to fix that. It turns any Android device into an AI-powered dash cam - all you need is Android 4.1 or later, a rear camera, and some way to mount it in your vehicle.

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