MetropolisMag has an excellent article 'Behind the Glass Curtain' on Googleplex architecture, Googleâ€™s Mountain View, California, headquarters. There are some interesting aspects of design in Googleplex architecture. Bright colors, book shelves on the corridors, electric outlets on steps ... and so on.
One other thing stands out though, and I still don't understand why each user's desk has two bigger monitors? (images from the above original article)