The freedom and sense of community that comes with social networking is a wonderful thing, perhaps the most wonderful thing of the online age. But it comes with responsibility. If you intend to write about current affairs, publishing your unmoderated comments to however many pairs of eyes around the world, you must have an understanding of what you can and cannot say. It is no longer good enough to simply say "I didn't realise."
The medley of today's media is unprecedented. While Britain's biggest publishers find themselves in similarly unparalleled levels of turmoil - shrinking revenue, the threat of state regulation, and a growing tendency to aim their guns at each other - the range of outlets beneath them is fragmenting like light through a prism.