Google’s PageRank algorithm traced back to the 1940s

A co-worker sent me this link today and I found it very interesting:

http://www.geek.com/articles/chips/googles-pagerank-algorithm-traced-back-to-the-1940s-20100217/

The concept behind Google's search engine success is their PageRank algorithm. Well, it seems that the algorithm was first written in the 40s.