Zoomable user interfaces

For a good overview, see:

• Bederson, B. B. (2011). The promise of zoomable user interfaces. Behaviour & Information Technology, 30(6), 853–866. https://doi.org/10.1080/0144929X.2011.586724
• Bederson, B. B., Hollan, J. D., Perlin, K., Meyer, J., Bacon, D., & Furnas, G. (1996). Pad++: A Zoomable Graphical Sketchpad For Exploring Alternate Interface Physics. Journal of Visual Languages & Computing, 7(1), 3–32. https://doi.org/10.1006/jvlc.1996.0002

One key design problem: The detail-in-context problem