The document summarizes Mydex CIC, a UK social enterprise that empowers individuals to manage their personal data through secure personal data services. Mydex offers identity services, a digital letterbox to store personal data, and acts as a trust framework to facilitate data sharing between individuals and organizations. However, Mydex claims no ownership over individuals' personal data stored in their personal data services and acts only as a platform to enable this functionality. The document discusses emerging issues around personal data stores and their role in data protection law.