11 May 08
Facebook now has over 70 million active users and around 109 milliion monthly visitors, and the site is at times very slow. Compare that to Google, which operates at least a million servers (and is adding 500,000 per year, says Business Week), and Microsoft, which is adding 200,000 servers per year.—
Facebook Raises Another $100 Million
Holy crap 500k servers per year.