What's the future of the advertising industry? The industry veteran who was behind some of the most memorable ads of the 80s and 90s speaks to Dougal Shaw about the rise of digital platforms and social media.Hegarty is a revered figure in advertising because of the famous brands he helped to build. He was a founding partner of Saatchi & Saatchi and co-founder of Bartle Bogle Hegarty (BBH). These days he is creative director of The Garage Soho, which invests in start-ups and helps to build brands.And Sir John also uses his own experiences of previous recessions to explain how he thinks companies can survive, and in some cases benefit from, a recession.Presenter/producer: Dougal Shaw(Image: Sir John Hegarty. Credit: Getty Images)