Today's society is characterised by an increase in relational, connective and communicative practices based on mobile devices and social media. It is clear that the Internet has become pervasive, an element leading to a widespread remodelling of the way we live, work and communicate. The dimensions of this remodel are so significant that several scholars urge a focus on the epochal changes our society is currently undergoing, calling for new paradigms of interpretation to describe the social dynamics observed. What does this mean in terms of sociological theory? This editorial initiative is driven by an attempt to understand whether the traditional concepts of sociology are changing, how this change is occurring, and what words de...