How many servers do you have?
Data Center Knowledge recently published an article listing the number of servers that some of the internet’s biggest companies have in their data centers. Rackspace recently made it to the 50,000 server club. It’s almost inconceivable how someone can deploy and manage so many systems.
Read all about it.
http://www.datacenterknowledge.com/archives/2009/05/14/whos-got-the-most-web-servers/