With more than a billion users, Facebook is not only the biggest global social network but also an increasingly important forum for journalists. In some repressive countries it has even served as a publishing platform for journalists whose newspapers or news websites have been closed down. That is why journalists and bloggers should note today's news that after a year of standing on the threshold, Facebook has decided to step inside the Global Network Initiative tent.

China's announcement that personal computers sold from July 1 must carry Internet-filtering software pre-installed by the manufacturer should be a flashing red light to journalists and defenders of free expression online.


