3. The method of claim 1 , further comprising: comparing the topical impact score of the individual user to other topical impact scores for other users; selecting the individual user based on the comparing; and directing information to the individual user, the information relating to the message topic.
3. The method of claim 1 , further comprising: comparing the topical impact score of the individual user to other topical impact scores for other users; selecting the individual user based on the comparing; and directing information to the individual user, the information relating to the message topic. 4. The method of claim 3 , wherein the information comprises an advertisement for a product associated with the message topic.