Abstract: There is disclosed a computer network implemented method and system operable on a platform for managing the completion of a crowd sourcing activity. The crowd sourcing activity includes a plurality of tasks, each task including optionally a plurality of sub-tasks. A method in accordance with an embodiment includes: assigning one or more targeted incentives to completion of one or more particular tasks or sub-tasks; inviting a plurality of participating users to complete one or more particular tasks or sub-tasks based on the targeted incentives; and tracking progress in the completion of the one or more particular tasks or sub-tasks by the participating users.