8. A system, comprising: a processing unit, computer readable memory and a computer readable storage system; first program instructions to update a selected set of experts by expanding the selected set of experts by adding experts from a population of known experts that are noted in referrals in answers received in response to questions of a plurality of survey questions sent to the selected set of experts; second program instructions to update the plurality of survey questions by removing questions satisfied by response answers received from the experts in response to the sent questions; and third program instructions to send out the updated plurality of questions to the updated expanded selected expert sets, expand the updated set of experts by adding experts noted in referrals in answers received from the experts in response to the sent questions, and remove the satisfied questions from the updated plurality of survey questions, until each question in the updated plurality of survey questions is satisfied and removed as determined by iterative repetitive application of the first, second and third instructions; and wherein the first, second and third program instructions are stored on the computer readable storage system for execution by the processing unit via the computer readable memory.
9. The system of claim 8 , further comprising: fourth program instructions to select the set of experts and the updated expanded set of experts from experts that each have higher value metrics scores relative to value metric scores of other unselected experts of the population of known experts and that are indicative of an expertise relevant to at least one question in a plurality of survey questions; and fifth program instructions to update the value metric scores of experts by: increasing the value metric score of a first expert as a function of an elapsed time of a response of the first expert to a sent survey question that is less than a normal response time; and decreasing the value metric score of a second expert in response to a failure to receive a response to a sent survey question from the second expert within an allowable time for response to the sent survey question; and wherein the third program instructions are further to select the updated set of experts that each have higher value metrics scores relative to value metric scores of other unselected experts of the selected set and that are indicative of an expertise relevant to at least one question in the updated plurality of survey questions, and automatically update the value metric scores of the expanded updated set of experts as the function of the timeliness of the responses received, until each question in the updated plurality of survey questions is satisfied and removed; and wherein the fourth and fifth program instructions are stored on the computer readable storage system for execution by the processing unit via the computer readable memory.