Nintendo also says that children under six shouldn't use the 3D mode at all, since their eyes are still developing, and that parents can use controls built into the 3DS to lock it into 2D mode for children.

ENGADGET: 3D is dangerous / not dangerous: Nintendo 3DS warning label edition

To that end, it has more system controls than the existing Facebook app, with permission to turn off the lock screen, start up when the phone boots and control your WiFi connection, among others.

ENGADGET

Do not ever provide a service over the web that controls something critical (house lights, surveillance cameras, bank accounts, car lock-out devices, street signs, traffic lights, bank accounts, stock trading accounts, etc.) without having at least rudimentary controls in place.

FORBES: Keep Austin Weird, But Use Good Password Controls