dynamic information
Presentations of information can respond dynamically to human interaction. To work in these terms requires:

course text: David Flanagan, JavaScript: The Definitive Guide, 4th edition

Javascript, XML, and manipulating the DOM.

course text: Don Norman, The Design of Everyday Things

Affordances, Mappings, User Models. Languages of interactivity.

example : liquid time
[Camille Utterback]

Liquid Time is an interactive installation in which a participant's physical motion in the installation space fragments time in a stored video clip.