3. The computer implemented method of claim 2 further comprising, for each of the identified clusters: identifying a representative image of the identified cluster from the social communications of the identified cluster; wherein the topic, the non-expert set of high-quality communications, the expert set of high-quality communications, the extracted sub topics, and the representative image comprise a topic set of the identified cluster.
3. The computer implemented method of claim 2 further comprising, for each of the identified clusters: identifying a representative image of the identified cluster from the social communications of the identified cluster; wherein the topic, the non-expert set of high-quality communications, the expert set of high-quality communications, the extracted sub topics, and the representative image comprise a topic set of the identified cluster. 5. The computer implemented method of claim 3 , wherein the plurality of clusters of social communications that have a sufficient volume of social communications within the cluster comprises those clusters whose volume of social communications within the cluster exceeds a predetermined percentage of all of the social communications for the time period.