1. A computer implemented method of obtaining personal ads, the method comprising: performing a first search, using at least one computing device, of personal ads to identify a first personals ad; performing an affinity search, using the at least one computing device, based on the first personals ad identified in the first search to identify one or more second personals ads having an affinity to the first personals ad, wherein the affinity search comprises calculating an affinity score between the first personals ad and each of the second personals ads, wherein the affinity score of each of the second personals ads relates to the number of occurrences of an action taken by a plurality of users with respect to the first personals ad and the respective second personals ad, and wherein the affinity search does not identify personals ads having an affinity score with the first personal ad below a predefined threshold; and prioritizing, using the at least one computing device, the identified second personals ads based upon its respective affinity score with the first personals ad.