One of those apps that makes about as much sense to an average PC user as most income tax forms do, so next to none at all, in other words. I'm a PC user, not a technician, or engineer!
It's their job to make stuff that you don't need to be one of them to be able to use, isn't it? You don't need to be a mechanical engineer to drive a car, for example, although if this lot made it you'd need to be a Formula 1 mechanic just to get it out of the car park!!!
'Google' + 'Privacy', I was clear up to that point, however, from there on in it may as well have been written in Klingon, or Dalek, Welsh, whatever?! It was completely undecipherable, meaningless, no use to this PC (untrained, non-professional) user whatsoever.