“As physical and digital interactions intertwine, new challenges for digital product designers and developers, as well as, industrial designers and architects are materializing. While well versed in designing navigation, organization, and labelling of websites and software, professionals are faced the crucial challenge of how to apply these techniques to information systems that cross communication channels that link the digital world to the physical world.” (Andrea Resmini and Luca Rosati ~ Pervasive IA)