Mobile phones represent one of the most pervasive technologies of our time. This technology not only makes possible communication at a distance but also creates a communicative environment that enables the transportation of social life within the space-time system. Since young adults have largely embraced mobile technology for their everyday activities, this research proposes a model for understanding how individuals in the 18-24 years old age bracket realise their social life through mobile phones. The proposed model represents social life in a space-time system, which reflects the transit from co-presence to tele-presence, juxtaposed to the communicative environment. The model, which needs to be empirically tested through a canonical correlation analysis, will shed light on how the communicative repertoire is managed by young adults and how they pass from co-presence to tele-presence.