Apple Pay taps UK to shake up consumer spending

Brands including Boots, BP, M&S and Pret A Manger and most banks have signed up
A worker demonstrates Apple Pay inside a mobile kiosk sponsored by Visa and Wells Fargo to demonstrate the new Apple Pay mobile payment system on October 20, 2014 in San Francisco City

Apple Pay, the contactless payment service, is set to launch in the UK on Tuesday, opening up a potentially large market for the US technology company and transforming the way consumers buy goods.