Surely this should be applied to 'web search engine' as an invention? Not just to one of the products built in the image of that invention. Google made a better

Surely this should be applied to 'web search engine' as an invention? Not just to one of the products built in the image of that invention. Google made a better search engine but its MO was still the same as Go.com or Altavista - search web -> return (useful) results. This would mean a much less microscopic view of its place in history but without at least basic knowledge of /how/ Google's implementation was better how could you know any of your calculations are accurate?