Ambient assisted living : 7. AAL Kongress 2014 Berlin Germany January 21 22 2014 In this book leading authors in the field discuss developments of Ambient Assisted Living. The contributions have been chosen and invited at the 7th AAL congress Berlin. It presents new technological developments which support the autonomy and independence of individuals with special needs. As the technological innovation raises also social issues the book addresses micro and macro economical aspects of assistive systems and puts an additional emphasis on the ethical and legal discussion. The presentation is supported by real world examples and applications