A $1,400 iTunes bill racked up by an 8-year-old buying Smurfberries in Smurfs' Village might be enough for parents to forbid their kids from using mobile technology. Since this case--and several others like it--resulted in people receiving ridiculous bills, the Federal Trade Commission announced it will be reviewing Apple's in-app purchasing policies.

With the newly released iOS 4.3, Apple swiftly updated its policy, prompting users to enter a password each time something like a level-up, Tap Tap Revenge song, or $20 barrel of stars in Tap Zoo is purchased. Previously, Apple gave users a 15-minute window for in-app purchases after a password was entered.

Although this is the only forced form of parental control (or self-control if you're so guilty), iPhones, iPads, and iPod Touches do have other settings, known as Restrictions. Here's how to fine-tune these settings: