EMILIE GLAZER, ANNA MIECZAKOWSKI, JAMES KING and BEN FEHNERT Adoption of digital support services is mediated by varying experiences of trust. This paper deconstructs the notion of trust in technology through a design-led research project on the long-term adoption of a telehealth service – a context at once complex and fragile. The investigated daily experience of patients and healthcare practitioners in the UK and Germany revealed negotiations of trust that blurred boundaries between domestic and medical, and between system smartness and individual responsibility. Implications extend to the role of technology in changing healthcare landscapes, what trust means in developing digital support services more generally, and how appreciating the fragility of trust can bring both risk and hope in uncertain and evolving worlds....