Here are the official stats: retailers processed over 10 contactless payments every second in 2014, with UK consumers using their contactless cards 319 million times. It's actually got to the point where the UK Cards Association has now agreed to raise the maximum limit on transactions. From September 1st, the current £20 limit will be raised to £30, bringing it in line with retailers' average shop and ultimately giving consumers more reasons to relegate their PINs. It certainly suggests that 2015 will be another bumper year for contactless in the UK, but physical cards might not be on the only contributor: Apple Pay is due to land on this side of the Atlantic later this year, letting iPhone users purchase items with no maximum limit in sight.