Apps and websites will have to jump through more hoops before gathering personal information on children, thanks to a set of amendments to the creaking Children's Online Privacy Protection Act (COPPA).
California's attorney general has issued a warning to mobile app developers that haven't yet posted privacy policies.
Most underage Facebook users are joining the site with the full knowledge - and even help - of their parents.
The Federal Trade Commission is proposing changes to online privacy rules designed to give parents control over the information gathered by websites on their children.
Kids' app maker W3 Innovations has paid the Federal Trade Commission $50,000 to settle charges that it collected personal information about children without their parents' consent.