Television is changing as it goes digital. The result will not only be better-quality pictures and sound but also personal TV, with viewers able to tailor the programmes they watch and even interact with them. How much money this will make for programme producers or broadcasters, whoever they may be, is not so clear. Cable, satellite and terrestrial television broadcasters are upgrading their equipment to provide higher quality digital services. Rupert Murdoch’s News Corporation will become the first company in the world to migrate an entire national TV system over to digital when it turns off its old analogue version of its British satellite service, BSkyB