On the eve of Google¿s IPO in 2004, Larry Page and Sergey Brin vowed not to be evil. Today, a growing number of technologists would go further, trying to ensure that their work actively improves people¿s lives. Technology, so pervasive and ubiquitous, has the capacity to increase stress and suffering, but it also has the less-heralded potential to improve the well-being of individuals, society, and the planet. In this book, Rafael Calvo and Dorian Peters investigate what they term ¿positive computing¿¿the design and development of technology to support psychological well-being and human potential.