Crackdown on Piracy

Available for over a year

How the music industry is redoubling efforts to tackle piracy - but some people claim they're being wrongly targeted. Amazon unveils its TV streaming player - will it make a big splash or be a damp squib? And - the tech of high frequency trading on the stock market. Presented by Rory Cellan-Jones, with special guest Dr Jo Twist of The Association for UK Interactive Entertainment, and Leo Kelion and Dave Lee from the BBC Online technology desk.