> But the central authority, a third party, will get a heads-up every time someone - whether child or adult - logs into the social media site. Why? i imagine t

> But the central authority, a third party, will get a heads-up every time someone - whether child or adult - logs into the social media site. Why? i imagine this could be a "they've signed my key" situation, no requests needing to go up the tree further then necessary...