14. The method of claim 13 wherein: the third document contains information on dealing with a technical support issue; and the designating based upon effectiveness comprises designating the third document as a source document based upon one or more of the following criteria: a ratio of service calls on the technical support issue successfully handled based upon the third document to total service calls on the technical support issue attempted to be handled based upon the third document; a reduction in a number of parts sent as part of a field service as a result of service calls on the technical support issue handled by the third document; and a ratio of: people who view content of the third document online and then engage in phone support within a fixed number of business days for issue resolution to total people who view content of the third document online.
13. The method of claim 11 wherein the designating comprises automatically designating the third document as a source document based upon effectiveness.