uKnowKids.com monitors your child’s social network, mobile phone activity, and GPS location. The Essential version lets you monitor Facebook, MySpace, Twitter accounts, and MySpace accounts. The Premier version adds the excellent Family Map feature and online customer support. Overall, the service offers a comprehensive set of monitoring tools, plus an excellent mapping feature. It’s not without its flaws: It doesn’t let you filter the view to see only items with alerts, which are difficult to filter.”]