Family Personalization Service

User centricity is important when designing new products and services. Automatic personalization emerges as key feature to prevent users from being bothered by complex management tasks, allowing them to get the most from their devices. However, devices within home environments are shared among family members, making personalization complex. This article describes a system that uses presence detection through several low cost cameras. It uses a centralized repository for personalization and an event based protocol for configuring devices surrounding users. The system addresses privacy-based filtering and group preference modeling.