“…Sollicito and the members of SOA became spontaneous volunteers in the response to the snowstorm emergency (Waldman, Yumagulova, Mackwani, Benson, & Stone, ). This event provides a window through which to study a phenomenon that is a growing dynamic in emergencies—the role of spontaneous, digital volunteers, or digital emergent groups (Pyle & Boatwright, ; Strandh & Eklund, ). For the present study, the authors review relevant literature on social media in crisis communication, emergent behaviour in disasters, and the intersection of social media and digital communication with emergence and spontaneous volunteerism.…”