Search Engine Optimization writes "A BBC Story on Matt Cutts. If anyone knows how to get their webpage to top Google's search results it is Matt Cutts.Google: Best known for its search pageMr Cutts is one of a team at Google who help webmasters and website creators tweak their pages to ensure they are properly indexed by the search engine.
Although Google's senior technology folk have filed papers about how it does what it does, it has been reluctant to say just how many servers it owns and operates.
The estimates of how many machines it has in its datacentres range from 10,000 to 80,000.
This concentration of computer power could be addressing more than 6,000 terabytes of data. "