About the Authors

Carlo Ratti

Affiliation Senseable City Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Stanislav Sobolevsky

Affiliation Senseable City Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Francesco Calabrese

fcalabre@mit.edu

Affiliation Senseable City Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Clio Andris

Affiliation Senseable City Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Jonathan Reades

Affiliations Senseable City Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, Centre for Advanced Spatial Analysis, University College London, London, United Kingdom

Mauro Martino

Affiliation Senseable City Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Rob Claxton

Affiliation BT Group, Ipswich, United Kingdom

Steven H. Strogatz

Affiliation Department of Mathematics, Cornell University, Ithaca, New York, United States of America

Competing Interests

Rob Claxton is employed by BT Group plc. This affiliation does not alter the authors' adherence to all PLoS ONE policies on the sharing of data and materials.

Author Contributions

Conceived and designed the experiments: CR S. Sobolevsky FC CA JR MM RC S. Strogatz. Performed the experiments: CR S. Sobolevsky FC. Analyzed the data: CR S. Sobolevsky FC CA JR RC S. Strogatz. Contributed reagents/materials/analysis tools: CR S. Sobolevsky FC MM S. Strogatz. Wrote the paper: CR S. Sobolevsky FC JR S. Strogatz.