Surf like a Bushman. Foraging theory, developed to understand animal hunting behavior and the strategies of hunter-gatherer humans, can be used to understand modern data foraging on the web. Two Xerox PARC researchers have been doing field studies of information-hunting-and-gathering and applying their observations about optimal foraging theory to search engine design. New Scientist This analogy between food and information appears to be a fruitful one for web designers as well — so eat your fill here!