Google's Come Out
Ah ha... Google had to release their algorithm. Oh, guess what? Its really hard to manipulate.
Intellectual property law is really screwy sometimes. In order to legally protect your IP, you have to make it public (eventually). Google, who has guarded their ranking algorithms so closely for years, has now had to open some of it up to the public. U.S. Patent Application 20050071741, filed September 30, 2003, became public on March 31, 2005, exposing a few ranking secrets that were new even to many industry experts.