The article discusses various legal cases related to digital evidence and the Fourth Amendment in the United States. These cases involve the use of technology by law enforcement, the responsibility of social media platforms for user content, and the increasing role of digital evidence in criminal cases. Examples include Ganias, a case about how long the government can store seized data, and Riley v. California, which established restrictions on the seizure of cell phones without a warrant. The importance of digital evidence in cases ranging from workplace harassment to copyright infringement is also highlighted. The article also covers the influential Supreme Court decision in Katz v. United States and how it shaped the law on searches and seizures without a warrant. Other important cases involving search and seizure that have been heard by the Supreme Court are mentioned, including Kentucky v. King.