"GreatFire has worked with BBC to make the Chinese-language BBC website available to users in China, despite it being blocked by the Great Firewall, by using a method known as collateral freedom[7] that mirrors content on widely used content delivery networks, such as Amazon CloudFront and CloudFlare, so that it would be too economically costly for censors to block." -- I guess centralization does have some good sides, or at least can be used for good purposes