Apple is in the process of updating the iPod touch units used by Apple Store employees as a mobile point-of-sale system to the iPhone 5s, according to sources familiar with the roll out. 

Apple first started using its iPod touch as an “EasyPay” system for employees in its retail stores back in 2009 and currently uses 4th gen iPod touch or previous models for staff. It uses a point-of-sale attachment for the iPod touch that adds a magnetic stripe reader, barcode scanning functionality, and more. It’s not clear the exact motivation behind Apple’s move to the iPhone after long using the iPod touch, but the device does provide a few advantages.  expand full story