Google has just announced their new addition of real-time search. Although it will be implemented on the regular Google search over the next couple days or access Hot Trends on Google Trends to see a demo, you can also get real-time results on your Google search query by adding the parameter &esrch=RTSearch to end of your URL.
So a Google search “GM”,
http://www.google.com/search?q=gm&ie=utf-8&oe=u