The internet is the greatest source of information for people living in the UK today. But the amount of material available at the click of a mouse can be both liberating and asphyxiating. Although there are more e-books, trustworthy journalism, niche expertise and accurate facts at our fingertips than ever before, there is an equal measure of mistakes, half-truths, propaganda, misinformation and general nonsense. Knowing how to discriminate between them is both difficult and extremely important.