In the ever-changing realm of the Internet, lawmakers face a steady stream of new areas potentially requiring regulation and oversight. This book is part of a series exploring the dynamic universe of the 21st century. This volume of the series discusses topics on internet domain names; internet governance; ICANN's top level domain name program; global internet freedom; broadband internet access and the digital divide; China's censorship of the internet and social media; the Unlawful Internet Gambling Act; virtual currencies; and internet-based cognitive behaviour therapy for obsessive compulsive disorder.