Abstract: Embodiments relate generally to an on-line collaboration system. The system comprises at least one server in communication with multiple client devices over one or more networks, the at least one server executing program code to host an on-line collaborative environment in which users of the client devices can collaborate. The at least one server executes program code to facilitate discussion threads in the on-line collaborative environment and, for each discussion thread, to provide a selectable option to allow proposal of an outcome for the discussion thread.