Why do people communicate on one social technology or another? This line of research evaluates the social cognitive processes associated with using communication technologies. In doing so, the studies pay special attention to the role of mobile factors, along with the implications for spatial and temporal perception.

Why do people choose to have a close-knit or spread-out friend network? This line of studies examines how people perceive and shape the network of friendships around them in daily life. In the process, this research area concentrates on why different people maintain very different types of online and offline networks.