Through a Google account. It's not some device check.
Well it's google and google does everything through their accounts.
But the principle of this can work on everything.
Own an iphone, apple can do the same tied to the apple account.
On a windows machine you can do the same tied the user account login for the child.
People will no doubt pick holes in something like this, but it's the least intrusive, least effort solution to the problem that will actually work.
alt Hacker News
Well it's google and google does everything through their accounts.
But the principle of this can work on everything.
Own an iphone, apple can do the same tied to the apple account.
On a windows machine you can do the same tied the user account login for the child.
People will no doubt pick holes in something like this, but it's the least intrusive, least effort solution to the problem that will actually work.