Newspapers contain news, articles, features, editorials, and advertising. By 2007, there were over 6,500 daily newspapers worldwide selling almost 400 million copies per day. National newspapers in the UK include the Daily Express, owned by media mogul Richard Desmond; the Daily Mail, owned by Daily Mail and General Trust media conglomerate; and The Sun, the best-selling daily newspaper in the UK. Newspapers earn money through advertisements and sales to readers.