“For the blogosphere represents an enormous democratic opportunity. In the past, those 71m bloggers would have had to wait for a publisher to deem their work worthy of distribution. Now everyone has a platform. Those who want to challenge tyrannies, or even corporate misbehaviour, can do so directly. Whether it’s the Baghdad Blogger or the public service workers highlighted in today’s Society section, free expression is now just a click away. But this freedom has a downside.”