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Other people would prefer to "surf" through a multi-dimensional net, confident that they can pick out valuable links faster than a search engine possibly could, because they apply some thought to choosing which links to follow.
But these are only two extreme points on a continuum of search strategies. Using a search tool to find the best directory to browse, or using a search tool to pick sites out of a directory, may be more effective: and I venture to say that the most effective searches -- whether in a physical library or on the net -- rely on constant switching between linear and proximity searching.
On the net a thousand flowers are blooming over Mao's dead body. You don't have to use the Official_People's_Democratic_Directory or the One_True_Search_Engine_Representing_All_Approved_Facts. You're free to choose, although that freedom comes at the horrific risk that someone else might choose someone else.