10. A computer system operable to provide content based on an estimated actual age, the system comprising: a communications device operable to exchange information over a communications network; a memory storing program instructions to be executed by a processor; and a processor operable to communicate with the communications device and the memory and to read and execute the program instructions from the memory to perform the following operations: identifying 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 age information associated with one or more members in the set of related 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 an actual age of the first member based on the estimated actual age of the members in the set of related members; and providing content to the first member based on the first member's estimated actual age.
12. The computer system of claim 10 , wherein the content includes one or more of: advertisements and messages.