The development and availability of new computing and communication devices, and increased connectivity between these devices, thanks to wired and wireless networks, enabling new opportunities for people to perform their operations anywhere and anytime. , B> Progress in the Ubiquitous Computing: Paradigm and Future Directions investigate the foreground of ubiquitous computing technologies, emerging applications and services, as well as certain social issues that are important to successful deployment of applications in ubiquitous computing, through a multi-analytical perspective lens.