Everyone’s favourite microblogging site has continued its evolution this week, as Twitter moved subtly into a mass grassroots campaigning tool. Move over breaking news, you were so Spring 2009, organic protest is where it’s at now.

First up was the Trafigura case, of which so much has been written, it’s somewhat pointless to rehash completely what went on (Adam Tinworth has a nice, concise summary). In a nutshell, the Guardian were gagged on writing about reporting on a Parliamentary question concerning Trafigura and there actions surrounding the dumping of toxic waste in the Ivory Coast.