> Ask what the layperson would think tracking is!
No. No no no no no. There is a serious problem with this line of thinking. Lay people cannot dictate how technology must work. Because they don't understand what is possible.
This post is like the famous quote from that Australian politician
> The laws of mathematics are very commendable, but the only law that applies in Australia is the law of Australia
It's simply not appropriate to assume that just because a lay person wants something to be true, that it must somehow be possible to actually do.