I had noticed a few SERPs about Yahoo Data Centers, but nothing comprehensive. So, I started a Yahoo data center summary, similar to the Google Data Centers summary I compiled earlier- http://www.vaughns-1-pagers.com/internet/google-data-centers.htm Remember, this is a new effort. Feel free to report any errors or additions here. Here 'tis- http://www.vaughns-1-pagers.com/internet/yahoo-data-centers.htm