scottennis writes: "Google has yet another application: measuring the rate of decay of information on the web. By plotting the number of results at 3,6, and 12 months for a series of phrases, this study claims to have uncovered a corresponding 60-70-80 percent decay rate. Essentially, 60% of the web changes every 3 months." You may be amused by some of the phrases he notes as exceptional, too.
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