TechCrunch reports today about Imbee, a new social networking service designed for children. The service takes strong measures to keep kids safe.
...designed for kids from ages 8 to 14. imbee was created to provide a secure, dynamic environment where children can safely explore online social networking...
Their FAQ page lists some of the features and controls that they have implemented to provide a social networking environment for children... Cost is $40 a year. Looks interesting...