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I have always been a strong proponent of heuristic evaluation techniques (like Nielsen’s classic heuristic evaluation in UX). Hence, this W3C draft instantly piqued my interest:
This document provides a points to help in considering the privacy impact of a new feature or specification as well as common mitigation strategies for common privacy impacts. The questions are meant to be useful when considering the security and privacy aspects of a new feature or specification and the mitigation strategies are meant to assist in the design of the feature or specification.
Directed primarily at authors of W3C feature specifications, the questions posed in it are of course universally valid for any kind of technological endeavour. Lots of privacy-by-design and privacy-by-default thinking in there.