Information foraging is the most important concept to emerge from Human-Computer Interaction research since 1993. Developed at the Palo Alto Research Center (previously Xerox PARC) by Stuart Card, Peter Pirolli, and colleagues, information foraging uses the analogy of wild animals gathering food to analyze how humans collect information online.
da: Useit.com

Qualche risorsa:

wikipedia.org
shinynews.it
pixelcharmer.com
Information Foraging Theory: Adaptive Interaction with Information - book by Peter Pirolli