How understanding the signaling within social networks can change the way we make decisions, work with others, and manage organizations.

Prof. Alex (Sandy) Pentland is a pioneer in mobile information systems, technology for developing countries, consumer health, and smart environments. One of the most-cited computer scientists in the world, with international awards in the Arts, Sciences and Engineering, he was chosen by Newsweek as one of the 100 Americans likely to shape this century.Prof. Pentland's focus is the development of human-centered technology, and the creation of ventures that take this technology into the real world. His work provides people with a clearer picture of their social environment, and helps companies and communities to reinvent themselves to be both more human and productive.He is founder of more than a dozen companies, research organizations, and academic communities, and is Founder and Faculty Director of both MIT's new Legatum Center for Development and Entrepreneurship, and of MIT's Human Dynamics Laboratory.

"A technology poised to change the world." Technology Review "A technology poised to change the world."-- Technology Review "A new understanding of organizational effectiveness." -- Strategy+Business "A new understanding of organizational effectiveness." Strategy+Business "Pentland's lucid treatment of complicated psychobiological principles effectively enables lay readers to grasp difficult but significant concepts... Similar in scope to Malcolm Gladwell's Blink: The Power of Thinking Without Thinking, Pentland's book is better-suited and recommended for university collections." Library Journal "Sandy Pentland, always ahead of everyone, has captured in this snappy and well written book, the deep signals we use to communicate and how they shape and reveal our social behavior. A must read." -- Michael S. Gazzaniga , Director, Sage Center for the Study of Mind, University of California, Santa Barbara