1. A method for creating a review task, the method comprising: receiving task data, the task data including information regarding a main task to be performed; receiving delegation data, the delegation data including information identifying a first delegator of the main task and a first delegates to perform the main task; creating a review task, with the review task having as its object at least aspects of the main task; assigning the review task to the first delegator of the main task, and storing review task data based on the main task when completed.