Spy cameras are commonly used for surveillance in various settings, including at home, in the workplace, and in public areas. They can be used for a variety of purposes, such as monitoring suspicious behavior, preventing theft or vandalism, or ensuring the safety of individuals in a given space.

Moreover, spy cameras have become more technologically advanced and accessible over time, and can now be remotely monitored and controlled using smartphones and other devices. This allows for greater convenience and flexibility in their use.