1. A computing system configured to facilitate performance of tasks, comprising: one or more processors; a first module configured to, when executed by at least one of the one or more processors, automatically assess relevance of each of multiple qualifications based at least in part on automatically tracked use of the multiple qualifications by at least one of task requesters who submit tasks and task performers who perform tasks, and to automatically assess credibility of each of multiple qualification issuers based at least in part on the automatically tracked use of the multiple qualifications, the automatic assessing of the relevance of each of the multiple qualifications including measuring an aspect of the qualification with respect to each of one or more predetermined metrics; and a second module configured to, when executed by at least one of the one or more processors, provide information to one or more users regarding the automatically assessed relevance of one or more of the multiple qualifications and to provide information to one or more users regarding the automatically assessed credibility of one or more of the qualification issuers.