GoodBrother Project: Balancing Smart Home Tech for Seniors with Privacy

Introduction

On World Patient Safety Day, the focus often shifts to preventing medical errors and infections. However, for older individuals living independently, safety encompasses more than just healthcare risks. It crucially involves ensuring that help is available when needed, without compromising their privacy, dignity, or autonomy. This is precisely the challenge addressed by smart technologies, which hold immense potential but also raise significant ethical questions about the extent of monitoring in private spaces.

Key Details

• Project Name: COST Action GoodBrother (Privacy-Aware Audio- and Video-Based Applications for Active and Assisted Living)
• Objective: To explore how cameras, microphones, and AI can support older adults living independently while respecting their fundamental right to privacy.
• Participants: A multidisciplinary network including engineers, lawyers, healthcare professionals, ethicists, social scientists, industry representatives, and end users.
• Key Outputs: Trustworthy AAL Design Cards, the booklet “50 Questions on Active Assisted Living Technologies,” a major position paper on ethical, legal, and social issues, and an interdisciplinary book.
• Approach: Integrated privacy and ethical considerations into the design process from the outset, rather than as an afterthought.
• Impact: Fostered interdisciplinary collaboration, trained a new generation of researchers, and inspired follow-up projects like MAYA and EMA_FRAILTY.

Background

The concept of assisted living technologies has evolved significantly. Initially, systems relied on simpler devices like alarm buttons and motion detectors. While useful, these offered limited insight into the actual situation. For instance, a door sensor might indicate an opening but not whether the person inside had fallen, was confused, or was simply engaged in a normal activity. The advent of advanced computer vision, audio analysis, and artificial intelligence has enabled more sophisticated solutions. Cameras and microphones can now detect falls, recognize activities, and identify emergencies, allowing for quicker responses from caregivers. However, this increased capability also amplifies concerns about surveillance, data access, and consent, leading to the critical question: “Who is watching whom?”

Impact Analysis

The GoodBrother project fundamentally shifted the paradigm for developing assistive technologies. Instead of treating privacy and ethical concerns as secondary issues, the project embedded them into the core of the design process. This proactive approach, described by Dr. Francisco Florez-Revuelta as a “pipeline connecting values, methods and applications,” ensured that technological development was guided by ethical principles from the very beginning. The creation of practical resources like the Trustworthy AAL Design Cards and the “50 Questions” booklet provided clear guidance for researchers, developers, and policymakers, establishing a new benchmark for privacy-aware innovation in the field of Active Assisted Living (AAL).

“The real question was not simply: ‘Can we use cameras and microphones for assisted living?’ Technically, we know they can be useful. The real question was: ‘How can we design and use audio- and video-based technologies in private spaces in a way that provides valuable care services while protecting privacy, dignity, and autonomy?’”
— Dr. Francisco Florez-Revuelta, Action Chair, University of Alicante

Broader Context

The project’s name, “GoodBrother,” was a deliberate response to the pervasive fear of a “Big Brother” society, where technology leads to intrusive surveillance. By bringing together diverse experts—engineers, lawyers, ethicists, and social scientists—GoodBrother aimed to demonstrate that technology could be developed to be both helpful and respectful of individual rights. This interdisciplinary collaboration was crucial. Lawyers addressed consent and data protection, ethicists focused on dignity and autonomy, engineers devised privacy-preserving technical solutions, and healthcare professionals ensured user needs were central. This holistic approach is particularly relevant in the context of Europe’s aging population, where the demand for technologies supporting independent living is rapidly increasing.

Future Outlook

The legacy of GoodBrother extends beyond its direct outputs. The project actively nurtured a new generation of researchers, empowering them with responsibility and exposing them to diverse disciplines. Young researchers were not merely trainees but active contributors, leading working groups and shaping the network’s direction. This experience proved transformative, as exemplified by Anto Čartolovni, who noted that leading a working group was a “definitive catalyst” in his development into an international researcher, emphasizing the importance of understanding technology through the end user’s perspective. Furthermore, GoodBrother has sparked several follow-up projects, including MAYA and EMA_FRAILTY, which continue to explore innovative applications of smart technologies for health and well-being. The networking culture fostered by GoodBrother has also inspired related initiatives like the COST Action SiDnet, showcasing the enduring impact of its collaborative model.

Conclusion

The GoodBrother project successfully navigated the complex intersection of smart technology, aging populations, and privacy rights. It demonstrated that assistive technologies, including cameras and smart speakers, can significantly enhance the quality of life for older adults living independently, provided that privacy, dignity, and user control are paramount. By integrating ethical and legal considerations from the initial design phase and fostering unprecedented interdisciplinary collaboration, GoodBrother has laid the groundwork for a more trustworthy and user-centred market for assisted-living technologies in Europe. The project’s ultimate success lies in its ability to shift the perception of technology from a potential surveillance tool to a genuinely supportive companion, embodying the transition from “Big Brother” to a “Good Brother.”