Offline presence of Google

We always hear about new innovative Web 2 services by Google but all this depends on their offline existence.

Here is the information about Google's Headquarter 'Googleplex' : http://en.wikipedia.org/wiki/Googleplex

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Behind the Glass Curtain

And here is an article by Telegraph which tells us about Google's new venture of creating a powerplant in oregon which is around the size of 2 football stadiums :
Google builds a computer 'power plant' to dominate online world