http://www.markhorrell.com/tools/pagerank.html

http://www.masternewmedia.org/2001/08/31/secrets_of_google_revealed.htm

http://www.netnose.com/

http://www.newsfactor.com/perl/story/15280.html

http://www.notess.com/search/features/google/

http://www.nytimes.com/2001/05/07/technology/07NECO.html

http://www.amoebacode.com/index

http://www.anacubis.com/googledemo/googledemo.html