Google Hidden Pages

Apart from Google Search engine website there are some other sub pages available from Google prime website. These are kind of hidden to public as layman don't know about it but they exist. These pages are some how related to Special occasions, rival companies, Doodles etc. Do check out all below links

Google's Microsoft
http://www.google.com/microsoft

Google's Firefox
http://www.google.com/firefox

Google Mac
http://www.google.com/mac/

Google Linux
http://www.google.com/linux

Tribute to Mother's
http://www.google.com/moms/

Valentine Day Page
http://www.google.com/heart/heart01.html
http://www.google.com/heart/feature_cons.html

Mentaplex April Fool
http://www.google.com/mentalplex/

Google Newletter
http://www.google.com/googlefriends/archive.html
http://www.google.com/librariancenter/librarian_newsletter.html

Google Search statistics for 9/11
http://www.google.com/press/zeitgeist/9-11-search.html

Google Doodles
http://www.google.com/logos/

Google Beta logo
http://www.google.com/logos/googlebeta.jpg

Google in Hacker language
http://www.google.com/intl/xx-hacker/

Britney Spears search on Google
http://www.google.com/jobs/britney.html

Easter Egg page
http://www.google.com/Easter/feature_easter.html

Condolences
http://www.google.com/msg.html

Unclesam
http://www.google.com/unclesam

BSD
http://www.google.com/bsd

Google Zeitgeist
http://www.google.com/intl/en/press/zeitgeist/index.html

Google help to build better Query
http://www.google.com/tour/services/query.html

XX-Elmer
http://www.google.com/intl/xx-elmer/

XX-lingon
http://www.google.com/intl/xx-klingon/

XX-Piglatin
http://www.google.com/intl/xx-piglatin/

Google Pigeon Rank
http://www.google.com/technology/pigeonrank.html

Googlg Gulp
http://www.google.com/googlegulp/