As a grad student, Apple helped me generate countless spell-checked research papers. Years later they're still there for me, helping me be a better mom.
Thanks to iPhone, parents can now legally - secretly - torture their teens with an application that emits ultrasonic noise only they can hear.
It's called 'Kids Be Gone,' aka 'Mother's Little Helper.' I've also heard it referred to as 'Vex a Teen.'
(Tempting, I know, but please be careful not to use around small children.)