It is better to have an approximate answer to the right question than an exact answer to the wrong question. — JOHN TUKEY, - Josh Kaufman

The best thing that can happen to a human being is to find a problem, to fall in love with that problem, and to live trying to solve that problem, unless another problem even more lovable appears.

Value Creation: How fast is the system creating value? What is the current level of inflows? Marketing: How many people are paying Attention to your offer? How many prospects are giving you Permission to provide more information? Sales: How many prospects are becoming paying customers? What is the average customer’s Lifetime Value? Value Delivery: How fast can you serve each customer? What is your current rate of returns or complaints? Finance: What is your Profit Margin? How much Purchasing Power do you have? Are you financially Sufficient?

Garvin’s eight factors in terms of questions: Performance — how well does it serve the intended purpose? Features — how many useful or valuable benefits does it offer? Reliability — what is the probability it will break, malfunction, or fail when used? Conformance — how well does it meet established standards? Are defects common? Are acceptable replacements available if I need them? Durability — how long will it work? Serviceability — if something goes wrong, is it easy to fix? Aesthetics — is the subjective experience of using it pleasurable, attractive, or reassuring? Perception — does it have a good Reputation and deliver better results than anticipated, to avoid the Expectation Effect?