Google cheat sheet

Want to know the secrets for being an advanced Google user?

For instance, did you know:
Google is a calculator –   5+2*2  or   half a cup in teaspoons
A dictionary – define:blog  or  define:glutton 
Local food search – pizza in florissant  or  italian in festus mo
 salsa –dance   – find the word salsa but NOT the word dance 
link:www.googleguide.com –  Find linked pages, i.e., show pages that point to the URL. 
safesearch: sex education – Search for sex education material without returning adult sites.
phonebook: Disney CA – Search for Disney's phone numbers.
movie: The Wizard of Oz –   Find reviews and showtimes.
weather 63107  –   Given a location (zip code or city), show the weather

 …and lots, lots more can be found on the Google Guide.