Communications of the ACM

Drilling down to more detail on a computer screen, or moving out to see the context, is basic. But it's hardly simple and, after 20 years, innovations are still occurring.

Benjamin Bederson

Thanks Gary - good article. The following reference is for the recent article I think you intended to cite in the "Further Reading" section - is it my detailed reflection on ZUIs, explaining in more detail where I think their promise lies, what the challenges are, and a number of design guidelines to make them work well.

Bederson, B. B. (2011). The Promise of Zoomable User Interfaces, in Behaviour & Information Technology, Taylor & Francis, Nov-Dec 2011, 30 (6), 853-866.

http://www.tandfonline.com/doi/abs/10.1080/0144929X.2011.586724