The state of mobile user interface (UI) design is pretty bad. Even the best mobile UIs tend to borrow too many conventions of interaction from the desktop, rather than creating a UI that is unique to mobile devices to keep both the context and task front and center.

So where is mobile user interface design today? What does the future hold? Most importantly, what do people want from their phones?

Hanrahan's primary point, however, that the visualization should be chosen to work best with the context in which the data needs to be delivered, is spot on. In many respects, a contextually appropriate visualization can present data in a manenr that highlights the information content specifically.

This is especially important for self-adapting content. You can extrapolate most of the same principles when the issue of transforming or adapting content to different devices and contexts.