Having trouble restricting your child’s video game time? Well you are not alone. More and more, modern day parents are finding this a common family struggle. Even Elon Musk, founder of Paypal, Tesla Motors and SpaceX suffers from this parenting dilemma. With an estimated net worth of US$12.7 billion (83rd wealthiest person in the world), Musk admits having difficulties limiting his 5 children from excessive video game use (he has 1 set of triplets and 1 set of twins).