6. The method of claim 1 , wherein the threshold number includes one or more of: a minimum number of related members in the set of related members, and a minimum fraction of the related members in the set of related members.
1. A computer-implemented method for providing content based on an estimated actual age, the method comprising: identifying, by a computer, a set of related members for a first member, wherein the first member and each member in the set of related members are members of a social networking website, and wherein each member in the set of related members is connected to the first member in the social network website; examining, by the computer, age information associated with one or more members in the set of related members; when a threshold number of members in the set of related members have an estimated actual age within a certain age range, estimating, by the computer, an actual age of the first member based on the estimated actual age of the members in the set of related members; and providing, by the computer, content to the first member based on the first member's estimated actual age.