12. A method for maintaining a social network comprising: enrolling users in the social network, wherein enrolling users includes storing, in a memory, in association with a user ID for each enrolled user a voice template, a facial recognition template, and either the user's gender or the user's age; associating, in the memory, a plurality of prompts with the user ID, the plurality of prompts for subsequent presentation to the first user; authenticating a claimant as a user by receiving a claimant target, sending a prompt from the plurality of prompts, receiving a biometric response to the prompt, and determining a match between the biometric response and a biometric template associated with the prompt; authenticating the user to a second user by sending at least a portion of the biometric response of the first user, or at least a portion of a biometric template of the plurality of biometric templates of the user, to the second user; certifying enrolled users by using their voice template or their facial recognition template to verify their gender or age; and indicating to users of the social network which other users are certified.
12. A method for maintaining a social network comprising: enrolling users in the social network, wherein enrolling users includes storing, in a memory, in association with a user ID for each enrolled user a voice template, a facial recognition template, and either the user's gender or the user's age; associating, in the memory, a plurality of prompts with the user ID, the plurality of prompts for subsequent presentation to the first user; authenticating a claimant as a user by receiving a claimant target, sending a prompt from the plurality of prompts, receiving a biometric response to the prompt, and determining a match between the biometric response and a biometric template associated with the prompt; authenticating the user to a second user by sending at least a portion of the biometric response of the first user, or at least a portion of a biometric template of the plurality of biometric templates of the user, to the second user; certifying enrolled users by using their voice template or their facial recognition template to verify their gender or age; and indicating to users of the social network which other users are certified. 13. The method of claim 12 further comprising restricting some users to communicate only with certified users.