Entertainment, Fashion October 10, 2015 October 18, 2015 Alexa Chung Discovers What Fashion Buying and Trend Forecasting Is (Ep 4) by Chau What does a buyer do? How does trend forecasting work? How did Paul Smith become Paul Smith? These questions and more are answered in the fourth installment of Alexa Chung’s fashion web-series, ‘The Future of Fashion’. Check it out.