Whether money can be made from selling hot froth, let alone cold froth, to the great British public remains a matter of debate. Ford, a relaxed and confident 44-year-old, sighs wearily at the suggestion. 'Look at Starbucks in the US,' he says. 'It's an $8bn, $9bn, $10bn company, the leading success story in the food industry in the past 15 to 20 years.'