Part I Technology in a world of aging people. Gerontechnology: definitions and classification -- Clinical applications of technology: why are they needed, how to implement, and what challenges -- Technology support to integrated care for the management of older people -- Technologies in long-term care and nursing homes Part II Specific clinical applications of technologies in the older people. Technologies and frailty: a multidimensional approach -- Technologies in mobility disorders -- Digital technologies in cognitive disorders -- Technologies to assess psycho-behavioural symptoms -- Technologies to prevent falls and their consequences. Part III Older people and technologies. Robotics in geriatric care: a future with no return? -- Education and training in gerontechnology -- Artificial intelligence and the medicine of the future -- Bio-technologies to understand aging, frailty and resilience. .