I recall that one of the benchmarks used for one of the car-tracking-fob-based insurance policies was how "hard" they were braking and how often, and possibly h

I recall that one of the benchmarks used for one of the car-tracking-fob-based insurance policies was how "hard" they were braking and how often, and possibly high acceleration. Repeated hard braking would imply tailgating and distracted driving, and repeated high acceleration would imply generally reckless driving.