THE WORLD'S BIGGEST MARKETING JOB P&G invented modern marketing. Then the world changed. It's James Stengel's task to make sure P&G changes too. Interview BACK ON AIR Top down Having missed out on the 'big job' after 22 high-flying years at the BBC, Matthew Bannister quit. So why has he returned as a Radio 5 presenter? CELEBRITY SQUEEZE No business like show biz. No money, either Glamorous it may be, but showbiz PR won't pay the bills. That's why agencies like the ones profiled here are taking on brands as clients. But does the mix work? PLATFORM FOR SUCCESS Balance of power Suppliers of digital TV channels are seeing their income cut by platform owners. To prosper they must get bigger BIG BLUE EYES GOLD DAM lucrative IBM is investing in digital asset management - an increasingly lucrative market as companies realise the value of digital content