Charlie Le Rougetel, founder and director of BIGTOP PR, shares some wisdom from a career in exhibition industry PR.   I got my first job in PR 25 years ago. It was in Glasgow working for a ‘hi-tech’ agency. My first client was a software developer. They built telephone switching systems. It was dryer than dry January. My second client was Scottish Enterprise though, and they had the foresight to see the potential in multimedia...