In this way the business state machine can initiate the human task during one of its operations and then, via a callback, process the approval decision from the human task.
But these will take a lot of thought on the part of sites — the decision on how reformat content for different devices is not something that a machine can figure out.
At this time, the decision was made to remove the ability to authenticate on a gateway machine, thereby making the gateway a passive player in authentication type negotiation.