Some are creating new children’s games:
If you’re interested, Ian Rogers has a complete explanation with examples at: The Google Pagerank Algorithm and How It Works or a different take with a table of approximate results at: RITE Wiki: Page Rank.
Unfortunately, both Garshol and Wikipedia’s PageRank page get the Google pagerank algorithm incorrect.
The correct formulation reads:
The results of reported algorithm are divided by U.S. Government Interference, an unknown quantity.
Perhaps that is why Google keeps its pagerank calculation secret. If I were an allegedly sovereign nation, I would keep Google’s lapdog relationship to the U.S. government firmly in mind.