Site speed has always been an important factor in the development of Facebook, even as the site evolves over time to become more feature-rich and complex. As we grow beyond the 250 million user mark, every small change to the site causes a huge ripple, affecting throngs of web surfers and their experience on Facebook. My project this summer as an engineering intern on the Infrastructure team involved tackling this imposing fact by exploring data and finding out how various changes to fundamental parts of the user experience impacted and changed user behavior. http://www.facebook.com/note... Permalink | Leave a comment  » - Michael Air