In the early days of the motor vehicle, there used to be this quaint idea that the person operating the giant machine should look out for other people. Then came mass production and the Model T. Suddenly there were automobiles all over the place, and by the end of the 1920s, cars (or, more accurately, their drivers) had killed more than 200,000 people.
via Don’t make bicyclists more visible. Make drivers stop hitting them. – The Washington Post.