That's what I meant by "no catch-all choices yet". There is no reason Google or Apple couldn't get in the game if they choose to. Supposedly Facebook is making

That's what I meant by "no catch-all choices yet". There is no reason Google or Apple couldn't get in the game if they choose to. Supposedly Facebook is making a go at it for whatever that's worth. I offered the email analogy because that helped me to wrap my head around it when I was starting out.