On Thu, 17 Sep 2020 07:31:14 +1000, wrote:

Note "nearly half" of those then infected, are likely repeating the cycle!

That doesn¢t say that.

Those half who are infectious who don't know it, are gonna pass it on to
others, half of whom will also be infectious and don't know it, and they'll
pass it on to others, who won't know it, ad infinitum.

Your entire plan requires Providence to step in, Rod Speed, for it to work.
o For example, I've been to the MD and they don't require a test.

The apps won't catch any of these people, Rod Speed.
o Unless, as you suggest, Providence steps in to make your system work.