3. The advertising targeting system of claim 1 , wherein the targeting server system is further configured to score the affinity between a member profile and the set of specific keywords within data describing an activity associated with the member profile.
3. The advertising targeting system of claim 1 , wherein the targeting server system is further configured to score the affinity between a member profile and the set of specific keywords within data describing an activity associated with the member profile. 4. The advertising targeting system of claim 3 , wherein the targeting server system is further configured to determine sentiment related to the set of specific keywords within data describing an activity associated with a member profile.