the “how we navigate” business is not all that new — “frame theory” and “scripts” (psychology, memory) are decades old already; I guess there’s also some overlap with Searle’s speech acts — and/or even all the way back to Wittgenstein and Frege: all knowledge being contextual, etc….
http://searchengines.wordpress.com/ Search☸ Engines WEB
Compete blog has an analysis on those top Search Engine Queries that generated Britney Spears related searches – and the top destinations that searchers went to AFTER searching for Britney