Published in 1974, JWT's Planning Guide features the theories on which JWT's planning methods were based and sets out a framework for best practice planning techniques and how to understand the process of marketing and brand building. Josh Bullmore, chief strategy officer at Leo Burnett and Rachel Mercer, former CXO at Proto and former head of strategy at R/GA join Lena Roland to discuss the Guide's continuing relevance, half a century later.Stay up-to-date with the latest marketing and advertising news with our free daily newsletter.