Google's search quality very likely doesn't have very much to do with the PageRank algorithm as such. Certainly PageRank isn't much of a qualitative improvement

Google's search quality very likely doesn't have very much to do with the PageRank algorithm as such. Certainly PageRank isn't much of a qualitative improvement over prior work like HITS, and any reasonable web-scale search engine can easily incorporate some variant on the HITS/PageRank idea. http://glinden.blogspot.com/2007/09/hits-pagerank-and-keeping-it-simple.html http://glinden.blogspot.com/2007/09/hits-pagerank-and-keepin...