Sir, Tesco's Dan Jago "hasn't seen any earth-shattering NPD in the last 18 months" ('How creative is the drinks business?', 16 July). That kind of NPD is seen once in a blue moon hence the longevity of the brands in The Grocer top 100 alcohol brands.

In theory, his buying team is the third most influential in global retailing. Shouldn't they be working with brewers, distillers and winemakers around the world to bring new ideas and products to Tesco's customers? And actively looking for the next big idea, rather than waiting for it come to them?

Glenn Payne, beer buyer, Safeway (1997-2004)