these forms, and so they’re still there to practise on. And when you apply his techniques to these things you get contemporary answers. There’s a third factor, and that is since 1980 you wouldn’t believe the number of new media that have appeared. Beginning with the PC, the desktop computer which we all take for granted, and isn’t it as old as the telephone, hasn’t it been around about as long? And the answer is no, it hasn’t. It’s only been around about half a generation. Which seems incredible because we’re so accustomed to these things. But here we are surrounded by a whole pile of new media: PCs, and faxes, and video