Even if you're not a regular follower of Suzy Bubble, Le Happy, or The Sartorialist, you probably have some feeling for fashion. Most people have a vague idea of what's in, what's out, and what they might consider putting on their own backs. Less familiar to most, however, is the way fashion works as a global business - a multi-billion- pound industry, employing over 27 million people - just who decides what's cutting edge and what's long past its sell-by date.
