In today's digitally connected world, the convenience of smart devices comes at a cost to our privacy. In his latest book, 'Your Data Will Be Used Against You: Policing in the Age of Self-Surveillance', Andrew Guthrie Ferguson (law professor at George Washington University) examines the implications of the data we generate through our everyday devices. Ferguson highlights that while these technologies offer benefits, they also create vast amounts of personal data that can be accessed by law enforcement with minimal regulation. He describes this phenomenon as self-surveillance, where individuals inadvertently expose themselves to potential incrimination. Ferguson warns that the current legal framework is insufficient to protect citizens from the misuse of their data, particularly by governments that may exploit this information for their own agendas. As our homes and lives become more interconnected through devices like smart cameras and assistants, the risks associated with this self-surveillance are becoming increasingly significant.