How a product creates value
Product development starts with the problem behind a request. It turns that understanding into a product, then keeps learning from the people who use it. Value is the continuing ability to solve a problem that matters.
Following products from design through NPI, mass production, and sustaining changed how I understand value.
A product creates value when development stays connected to the problem that matters, from the first conversation through real use.
A request is only the beginning
Customers do not arrive with requirements. They describe what gets in the way, ask for a feature, or explain what they are trying to accomplish.
A requested feature is already one interpretation of the problem. Product development starts by listening past the proposed solution: what is the customer trying to do, why is it difficult now, and what would make the outcome meaningfully better?
The request is the beginning. The problem behind it is the work.
Understanding has to become buildable
A customer problem cannot go straight to a drawing or a factory. It has to become requirements specific enough for design, firmware, manufacturing, reliability, and the rest of the team to act on.
Those requirements meet reality throughout development. Performance, quality, cost, and schedule all change the solution. The work is to keep those changes connected to the problem they were meant to solve.
Completing a product does not mean preserving the first solution. It means building one that can be repeated, delivered, and supported without losing the reason it exists.
Use continues the conversation
Once the product is in use, the conversation changes. Feedback, real behaviour, returns, and changing expectations reveal what the requirements captured and what they missed.
Sustaining closes that loop. It corrects the product, sharpens the team's understanding, and informs what should be built next. The product may need to change. The understanding of the problem may change with it.
A valuable product keeps solving a problem that matters, even as the product and the need evolve.