Everything we do, we do at least some aspect of it online. From commerce to speech, internet companies intermediate our daily activities. In the process, internet companies are changing how we live. Is the internet a free speech zone protected by the U.S. Constitution’s First Amendment, or does it heed hate speech or political speech regulations from abroad? Can copyright law survive the worldwide copying machine of the internet? Is privacy dead when corporations know where you are and what you are doing nearly 24/7? Focusing on U.S. case law, this casebook collects the leading cases regulating the internet.