3. A method of claim 2 , further comprising: determining a social score that is a social distance between the user and the one or more candidate audience members in one or more social networks, wherein the one or more candidate audience members are further determined based on the social score.
3. A method of claim 2 , further comprising: determining a social score that is a social distance between the user and the one or more candidate audience members in one or more social networks, wherein the one or more candidate audience members are further determined based on the social score. 5. A method of claim 3 , further comprising: determining an importance factor of the one or more candidate audience members in the one or more social networks, wherein the one or more candidate audience members are further determined based on the importance factor.