This issue of Reference Shelf explores evolving cyberlaw pertaining to such issues as data privacy, freedom of expression, intellectual property, e-commerce, and contract law. Free and open source software licensing raises questions regarding developer’s liability and trade secrets. Recent advances in surveillance and tapping and in computerized voting technology have also raised many legal issues. The jurisdiction of cyberlaw—should the Internet be treated as a physical space?—is yet another layer. Issues of net neutrality are also considered.