And if you have a child's best interests at heart, don't give it to anyone too young to know to never use her real name, type in an address or phone number, or take any personally-identifiable photos. They might, at best, end up in a Nintendo ad. At worst, who knows?
Some of the details are on Defective by Design's website. I haven't found the full text online yet. If you do, please post it in a comment."