The Facebook website is seen through fire on a computer screen in this photo arranged in Beijing, China, on Thursday, Feb. 17, 2011. Facebook Inc. users in China, blocked by firewalls in the country since 2009, have more than doubled in the past month to exceed 700,000 using a growing number of so-called Virtual Private Network (VPN) services to circumvent censors in the world's biggest Internet market. Photographer: Nelson Ching/Bloomberg via Getty Images
