Google Search Tricks

These Google search tricks are excellent (sorry, but there’s some duplication)

TECHtracer 2.0.
http://techtracer.com/2008/01/06/10-most-amazing-google-search-tricks/

Gray Wolfs SEO BLOG
http://www.wolf-howl.com/google/google-search-tricks-tips-and-hints/

LifeHacker
http://lifehacker.com/339474/top-10-obscure-google-search-tricks

eggheadcaffe
http://www.eggheadcafe.com/articles/20041031.asp

About
http://google.about.com/od/searchingtheweb/tp/searchtrickstp.htm

Google Rules!!!