PUBLIC MARKS with tags viewport & mobile

I'm trying to gather information on as many devices I can, to see what viewports are out there in the wild. I want to use this to help with responsive design & mobile web apps — not to target specific device widths, but to raise awareness of the diversity and to perhaps help you ‘optimize’ for widths that are in use, if necessary.

In this mini-series I will explain how viewports and the widths of various important elements work, such as the html element, as well as the window and the screen.