Cloud computing and digital platforms offer huge benefits for people around the world. But the rise of large and powerful global technology platforms owned by commercial companies raises fundamental questions. What kind of rights, rules and responsibilities should govern this new landscape? What is the role of nation-states, when technology is global and data moves seamlessly across international borders? What kind of rules will best insure that tech is a force for good? Who should set them? And how can tech companies, governments and civil society best begin to address these issues?