Where Ideas Flourish and Minds Thrive.
Jevons Paradox: consumption of a resource may increase as a response to greater efficiency in its use.
Traditional managers worry about how to get things done, whereas great managers worry about what things get done (and trust their team to figure out how to do it).
With a sufficient number of users of an API, it does not matter what you promise in the contract: all observable behaviors of your system will be depended on by somebody.