Re: Sensors and transponders better than cameras?
"(I rather anticipate a future with self-driving cars when sane pedestrians and cyclists *will* carry transponders, possibly integrated into their mobile phones)."
Yes. And the Government are probably already considering it. "We couldn't get ID cards through... but what if we sell the idea of an electronic ID card system, that we could use to track everyone? We won't say that's what it is and that's what it's for, of course, we'll claim it's being introduced for the sake of road safety: a small device that everyone needs to carry so that in-car sensors in modern vehicles, not to mention self driving ones, can see them."