Here's this from 2009. (https://github.com/blog/530-how-we-made-github-fast https://github.com/blog/530-how-we-made-github-fast) I says Rackspace, but 2009 is

Here's this from 2009. (https://github.com/blog/530-how-we-made-github-fast https://github.com/blog/530-how-we-made-github-fast) I says Rackspace, but 2009 is a long time ago so it could have changed.