1. Navigate to google.com
2. Switch language to English
3. Erase the URL and paste
javascript:void(document.cookie="PREF=ID=20b6e4c2f44943bb:U=4bf292d46faad806:TM=1249677602:LM=1257919388:S=odm0Ys-53ZueXfZG;path=/; domain=.google.com");
and hit enter.
4. Reload google.com
Enjoy a new google :) Example: http://imagebin.ca/view/nG8_7eDJ.html