Abstract
In an emerging longevity society, reimagining social infrastructure has become increasingly essential. The World Health Organization (2025) projects that the global population aged 60 and over will nearly double from 12% in 2015 to 22% by 2050, raising urgent questions about how people live and interact with services over time. This study introduces the service exposome, extending Wild’s (2005, 2012) exposome concept to consider the cumulative service-related exposures that shape well-being across the lifespan. Using the Design for Longevity (D4L) Unclock Framework—a tool that helps designers explore intersections across longevity, service, system, design, technology, and society—the research examines how early-stage design processes can uncover longevity-related needs. Drawing on two participatory workshops and survey data from 16 undergraduate design students at the Massachusetts College of Art and Design and Northeastern University, the findings suggest that the D4L Unclock Framework and service exposome concept can guide longevity-inclusive, systemic, and experiential design interventions.
Keywords
Design for Longevity, service exposome, participatory design, human-centered design
DOI
https://doi.org/10.21606/drs.2026.741
Citation
Lee, S. (2026) Designing the service exposome: Applying the D4L Unclock Framework to longevity challenges, in Simeone, L., Gray, C. M., Verhoeven, A., de Götzen, A., Bakırlıoğlu, Y., Zohar, H., Stead, M., and Buwert, P. (eds.), DRS2026: Edinburgh, 8–12 June, Edinburgh, United Kingdom. https://doi.org/10.21606/drs.2026.741
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Included in
Designing the service exposome: Applying the D4L Unclock Framework to longevity challenges
In an emerging longevity society, reimagining social infrastructure has become increasingly essential. The World Health Organization (2025) projects that the global population aged 60 and over will nearly double from 12% in 2015 to 22% by 2050, raising urgent questions about how people live and interact with services over time. This study introduces the service exposome, extending Wild’s (2005, 2012) exposome concept to consider the cumulative service-related exposures that shape well-being across the lifespan. Using the Design for Longevity (D4L) Unclock Framework—a tool that helps designers explore intersections across longevity, service, system, design, technology, and society—the research examines how early-stage design processes can uncover longevity-related needs. Drawing on two participatory workshops and survey data from 16 undergraduate design students at the Massachusetts College of Art and Design and Northeastern University, the findings suggest that the D4L Unclock Framework and service exposome concept can guide longevity-inclusive, systemic, and experiential design interventions.