So what you are saying is that when they started they required phone numbers? As in, what the commenter I was replying to wrote was not true? The 'footnote' in

So what you are saying is that when they started they required phone numbers? As in, what the commenter I was replying to wrote was not true? The 'footnote' in history seems pretty important when the whole point is that ignoring it leads you to assume things that are wrong.