Over at Wired, writer Marcus Wohlson points out that the novelty of using an iPad or other mobile device as a cash register is beginning to disappear as that particular use case turns mainstream.
The act of handing your credit card to an iPad-toting store clerk or coffeeshop barista was unthinkable a few years ago and increasingly the norm in 2013. Wohlson brings up a recent study by UK industry firm Timetric that notes that between 2011 and 2012, the number of mobile point-of-sale systems used worldwide more than doubled.
While Timetric's researchers don't believe that the rate of uptake will be as high in t
