Communications on the internet can be intercepted by third parties (such as hackers), and therefore we cannot guarantee confidentiality. However, we make reasonable efforts to lower the risk for the users. For example, we limit users to parents; we control the access; we screen prospective users through the intake process; We ask users to relate to what they read as confidential information and not to repeat it outside the group; Users can further protect their privacy by not using last names in their email address, and by not posting personal contact information.