3. The method of claim 2 wherein building the trust network for the querying user further includes: retrieving a list of identified friends for a first one of the trust network members; and adding, as a member of the trust network, at least one of the identified friends of the first one of the trust network members.
3. The method of claim 2 wherein building the trust network for the querying user further includes: retrieving a list of identified friends for a first one of the trust network members; and adding, as a member of the trust network, at least one of the identified friends of the first one of the trust network members. 4. The method of claim 3 wherein building the trust network for the querying user further includes: adding, as members of the trust network, identified friends of the trust network members that are connected to the querying user with a degree of separation that does not exceed a maximum value.