14. A computer-implemented method for performing a sentiment analysis 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 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 using, by the computer, the member's estimated actual age as an input to a sentiment analysis application for determining sentiments for a demographic that includes the member's age range.
16. The method of claim 14 , further comprising: providing content to the first member based at least in part on the results from the sentiment analysis application.