1. A job recommending method comprising: receiving, by a computing device and from a user computer, user information provided by an individual user, wherein the user information includes an indication of interest in a first job posting provided at a job seeking webpage; retrieving information of a second job posting, by the computing device and from a database of affinity information, the second job posting associated with a prescribed measure of potential user interest based on a calculated affinity score between the first job posting and the second job posting, wherein the prescribed measure of potential user interest based on a calculated affinity score between the first job posting and the second job posting is calculated based on a number of users having expressed an indication of interest in both the first and second job postings by saving or applying for the first and second job postings and a number of users having expressed an indication of interest in the first job posting, and further wherein said calculated affinity score is calculated based on the user resume information; determining the prescribed measure of potential user interest based on said calculated affinity score between the first job posting and the second job posting satisfies a job affinity threshold; communicating, by the computing device and to the user computer, the second job posting as a supplemental job recommendation to the first job posting for displaying in a recommendation portion of the job seeking webpage when the prescribed measure of potential user interest based on said calculated affinity score between the first job posting and the second job posting satisfies the job affinity threshold, wherein the second job posting as the supplemental job recommendation is not a result of any direct employer-user match or requested by the individual user; and communicating, by the computing device, alternative content related to the first job posting in the recommendation portion of the job seeking webpage, when there is no job posting satisfying the job affinity threshold as a supplemental job recommendation to the first job posting.