Senior food industry executives from companies including Unilever, GlaxoSmithKline and Asda have headed to the picturesque UK town of Windsor for this year's Food and Drink Innovation Dialogue to discuss a variety of factors affecting innovation in our sector. Delegates have analysed the impact that issues including the economic downturn, ethical consumerism, the rivalry between brands and private label and the demand for clean-label products have had on NPD. Here are some of the more notable soundbites.