Re: "GPS in every schoolbag"
"GPS in every schoolbag"
It does sound stupid. Some children, unfortunately, are reliant on being able to find a hiding place from abusers in their families- cases like this are far more common than abuse perpetrated by strangers.
A better system might be for some of the meat-bag avoidance systems to be offloaded from the car to the street - ie around a school, you have post-mounted infra-red cameras that track the position of warm bodies and generate alarms if one darts towards the road... A car sensor will be hard pressed to detect a child if it darts out from between parked cars. Obviously the car should be doing no more 20mph before braking, hopefully making any collision an educational rather than final experience for the child.
( just a first thought, I haven't thought this through)
Before throwing high tech at a problem, better planning can be employed. Don't place busy roads next to schools etc