This is a great article. Common tools/utilities should strive to be instantly understandable and consistent. Hospitals are a mess, public transit is usually un

This is a great article. Common tools/utilities should strive to be instantly understandable and consistent. Hospitals are a mess, public transit is usually unnavigable, and almost all websites have so many friction points in the name of design that they literally become unusable in so many 'edge' cases.