In spite of the widespread concerns expressed about the importance of privacy, individuals frequently give away or sell a myriad of personal data. How and why people decide to transition their information from the private to the public sphere is poorly understood. To address this puzzle, we...

In spite of the widespread concerns expressed about the importance of privacy, individuals frequently give away or sell a myriad of personal data. How and why people decide to transition their information from the private to the public sphere is poorly understood. To address this puzzle, we...

The phenomenon of electronic commerce has led to a proliferation of web sites competing for the attention and resources of millions of consumers. As has been recently shown, the resulting dynamics is such that a few sites command most of the traffic in the web, a signature of a winner-take-all...