A "big" experiment

Here's how you can enable the experiment:

• Go to Google.com and load your browser's developer console:
  
• Google Chrome: Tools, Developer Tools
• Mozilla Firefox: Web Developer, Web Console
• Internet Explorer: Developer Tools (F12), Console
• Copy and paste the following code:
  

  document.cookie="NID=67=hsMjsCrDzWeEG02RO6aSpFTVKq_lYnzJT4ZOSbwqIVjamJRhuRS0REUPVtWO3mJPbuX_k-NTh3APz_jRgTKtZUzDMheeEr8G9zsHHKkmEp27lj_3B-V4xUUHhAbMPN-t; path=/; domain=.google.com";window.location.reload();

• Press Enter and you'll see the experiment.

If doesn't work, try this other method:

• Open Chrome and install this extension.
  
• Go to Google.com and select "Edit Cookies" option on the context menu:
• Find a cookie named NID and replace the value with this cookie value:
  

  67=hsMjsCrDzWeEG02RO6aSpFTVKq_lYnzJT4ZOSbwqIVjamJRhuRS0REUPVtWO3mJPbuX_k-NTh3APz_jRgTKtZUzDMheeEr8G9zsHHKkmEp27lj_3B-V4xUUHhAbMPN-t

• Click "Submit cookie changes" and refresh the page.