How Google’s Algorithm Rules the Web (txt) 
Wired article. "Throughout its history, Google has devised ways of adding more signals, all without disrupting its users' core experience. Every couple of years there's a major change in the system - sort of equivalent to a new version of Windows - that's a big deal in Mountain View but not discussed publicly. 'Our job is to basically change the engines on a plane that is flying at 1,000 kilometers an hour, 30,000 feet above Earth,' Singhal says." Marvelously complex, incredibly optimized, and improved by the day.
http://www.wired.com/magazine/2010/02/ff_google_algorithm/all/1
Wired article. "Throughout its history, Google has devised ways of adding more signals, all without disrupting its users' core experience. Every couple of years there's a major change in the system - sort of equivalent to a new version of Windows - that's a big deal in Mountain View but not discussed publicly. 'Our job is to basically change the engines on a plane that is flying at 1,000 kilometers an hour, 30,000 feet above Earth,' Singhal says." Marvelously complex, incredibly optimized, and improved by the day.
http://www.wired.com/magazine/2010/02/ff_google_algorithm/all/1
