Googles ever changing search page

From time to time Google has stopped me in my tracks with the fun and creativity deployed to their logo on the search home page. I wondered just how many times Google has changed their logo and thought I would share it with you. Below are a variety of creative alterations Google applied to their logo, I have not preented all of them as you can see for yourself just how often it get changed by visiting: www.google.com/logos/