This process took two months, including re-appraisals of the process itself, and it isn't clear that the calendar on the wall was a motivator.

The next implementation doesn't have to happen in a vacuum. Now that it has been done once, a person can learn from it.

They can discard the parts that didn't work well straight away, and stick to only the parts of the process that have good merit.

We'll collectively improve our methods, as we tend to do, and the time required will get shorter with each iteration.