Reversing camera systems used to be consider a luxury item for cars and were first introduced in the late 90s.
It was rare to see a car with a huge stereo system, GPS navigation, and a reversing camera installed. We are still not at the point where a reversing camera system is installed is a car as standard but although we are not too far off either.
Some companies believe, reversing camera systems have become extremely sought after products for cars. A consumer interest survey by J.D. Power showed that it ranked very highly.