Paying with a phone? And ‘what is studied for months to facilitate the speed and security payments. It would be useful for many pay to fly with your mobile device through its telephone credit. The designer Rinat Aruh, however, goes further and designs Sparrow, a sort of digital assistant sessions shopping.

With support for systems such as POS and RFID, the device may provide information about products through scanning the appropriate code of purchase, whether it has already been bought in the past and pay. For now Sparrow remains a concept but the designer hopes that a company like Motorola can take to heart the project.