Around seven million people in the UK are involved in illegal downloads, costing the economy tens of billions of pounds, government advisors say. Researchers found 1.3m people using one file-sharing network on one weekday and estimated that over a year they had free access to material worth £120bn. Internet service providers say it is not their job to police the web. A recent report said the new generation of broadband access at 50Mbps could deliver 200 MP3 files in five minutes, a DVD in three and the complete digitised works of Charles Dickens in less than 10.