In the U.S., individuals retain some expectation of privacy in public spaces, despite the rise of advanced surveillance technologies like Automated License Plate Readers and cameras. These tools track movements over time, revealing sensitive personal information. The 2018 Carpenter v. United States case affirmed that tracking public movements via cell phone data requires a warrant, to protect private details like political, religious, and personal associations.
As surveillance technologies evolve, privacy advocates stress the need to defend these rights, ensuring that public surveillance doesn’t infringe on personal privacy over time.
