18. The method of claim 1 including providing information to human task performers for each of one or more tasks generated by the electronic marketplace to facilitate functionality provided by the electronic marketplace.
18. The method of claim 1 including providing information to human task performers for each of one or more tasks generated by the electronic marketplace to facilitate functionality provided by the electronic marketplace. 23. The method of claim 18 wherein at least some of the tasks generated by the electronic marketplace include reviewing results received from task performers for performance of available tasks to determine whether the task performers are humans.