For a while, we all got the point. We crowd-sourced and wiki-ed and clouded our lives. Journalists, those most anarchic of beasts, found themselves overtaken by bloggers, tweeters and amateur cameramen, and they did not like it. Only top–down journalism could do proper investigation, they said. Scientists had to get used to irreverent and instantaneous discussion of their ideas on forums, rather than stately and opaque clubs of peer review and publication. Politicians had to put up with abuse on Twitter.
