Facebook defends safety policy

Social networking site resists calls for 'panic button' as it considers legal action against Daily Mail over false claims in story. By Mark Sweney

Mind your language

David Marsh: The editor of the Guardian style guide… in praise of subeditors

A good job for media?

Less than a week old, it has generated reams of copy and already changed the way Amazon deals with book publishers. Guardian writers consider what the iPad means for different sectors of the media industry