Christian Montag is Professor for Molecular Psychology at Ulm University, Germany. From 2016 to 2022, he has been a visiting professor at the University of Electronic Science and Technology of China, in Chengdu. He received his diploma and PhD degree in psychology in 2006 and 2009, respectively, and his habilitation in the same field in 2011. Christian Montag's research has been dealing with various topics relating to molecular genetics of personality and emotions, affective neuroscience, neuroeconomics, internet addiction, and psychoinformatics. He has also been involved in developing applications to track human behavior via smartphones.

Harald Baumeister isProfessor for Clinical Psychology and Psychotherapy, and Head of the Psychotherapeutic outpatient clinic at Ulm University, Germany. He received his diploma and PhD in psychology in 2001 and 2005, respectively. In 2007, he gained his professional license to work as a psychotherapist, and received his habilitation in psychology in 2012. Harald Baumeister¿s research focuses on e-mental- and e-behavioral health. He has developed and evaluated several strategies for Internet- and Mobile-based Interventions (IMI) and Diagnostics for both mental and somatic, and primary and secondary, care settings. More recently, he started to leverage interdisciplinary competencies to level up IMI-and mental health research by bringing together informatics and data science with engineering, biological, psychological/psychotherapeutic and medical expertise. Big data-based machine learning approaches, deep learning- and artificial intelligence-based mental- and behavioral health solutions, as well as adaptive, smart sensing-informed interventional approaches are just some of his current research topics.

Offers a practice-oriented guide to tools and technologies used for studying human behavior

Describes ways to deal with privacy, ethical and social concerns

Thoroughly revised, updated and extended second edition