Content: Plan for the long tail

[danhammer]

Some of the most transformational uses of your web services will be unforeseen. Plan for the edge cases. Build the API to support a broader range of applications of which you are already aware. We need both the Checklist and Key question items. What are the discrete items that need to be addressed and the key questions a developer should ask in order to ensure that the long tail of app development is supported by the built web services?

[mikelmaron]

This feels so tied into the other plays -- is there really something distinct here? Can we make this the last play, and have it refer to the previous ones?