A particular focus of interest for some of the contributors is the revelations that followed Edward Snowden’s mass disclosure of classified documents in 2013, which revealed the U.S. National Security Agency’s systematic and longstanding program of monitoring global communications. Some chapters consider different countries’ varying approaches to regulating the proliferation of online communication, while others assess the current state of digital technology. They all call for policy interventions to solve market failures. This book was originally published as a special issue of