Design Under Pressure

These ten “personas non grata” are people you probably don’t want in your product or service, but who are likely to find their way in anyway. If you’re on mobile, the Personas Non Grata mobile app includes news stories that show what these characters …

What are stress cases? When an aspect of a person or a context is pushed to an extreme, that’s a stress case. Some people refer to a stress case as an “edge case.” We prefer the term “stress case” (which we learned about from Eric Meyer and Sara …