Table 1: Descriptions of the Three Components of the Digital Photo Diary Used in the Research Project and in Focus in this Study

Device Detailed	Application	Technical Function
Digital Wearable Camera	For daily use at home or outdoors	Taking photographs automatically annotating them with the time and date
Computer with Touch Screen	For daily use with the assistance of a relative or carer To look at photographs which show the people that the person with dementia has met during the day and at which places	Stores photographs and sorts them according to groups of people, places and time
Smart Phone	For daily use at home or outdoors together with the camera	Detects position by Global Positioning System (GPS)