Point of Sale (POS) is poised to undergo a profound transformation in the next several years due to the intertwined drivers of mobile device and sensor proliferation, the transition of back-office systems to the cloud, the emergence of new customer and merchant experiences that will be created by developers, and the resulting rapid changes in consumer behavior.
http://cdn2.hubspot.net/hub/125873/file-1233143029-pdf/WP__Future_of_pos_paper.pdf
