In traditional industrial mass production, quality can be defined as conformance to specifications. And it can be assessed upfront in a prescriptive way.
For complex industrial products this definition of quality at times can be not enough. While for digital products from the information-age, this definition is largely insufficient.
As surfaced during a discussion with Mike Cohn, nowadays quality is also:
Fitness for use and fitness for purpose
Sometimes products, especially new ones, can get used in ways and for purposes that cannot be anticipated nor conceived. When people start using...