4. A method for enrolling a user in a social network the method comprising: associating, in a memory, the user with a user ID; associating, in the memory, a plurality of prompts with the user ID, the plurality of prompts for subsequent presentation to the first user; associating, in the memory, a plurality of biometric templates each with one of the plurality of prompts; receiving an indication of the user's gender; verifying the user's gender during enrollment by comparing the indication of the gender with a result of an analysis of a biometric template from the plurality of biometric templates; authenticating a claimant as the 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; and 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.
7. The method of claim 4 further comprising receiving an indication of the user's age, and verifying the user's age by comparing the indication with a biometric template from the plurality of biometric templates.