Because they are fitted with high-resolution digital cameras, any variant can also be used as a surveillance tool.

Key-logging programs are often sold as surveillance tools for parents and corporations, to keep track of what goes on at a computer.

Maybe using the mirror as an indirect surveillance tool.

It assists its Members in developing enhanced macroprudential surveillance tools.

The small device was a surveillance tool that had been modified for long-range transmission.

The state's view is that patients should not serve as the surveillance tool for flaws in the hospital's systems.

But it's going to allow real people to have access to the surveillance tools that saturate their world.

Mammography is an excellent surveillance tool that can detect 85 percent of breast cancers.

Even without some of the high-tech satellite and surveillance tools he'd normally have at his disposal, he should be able to find those traces.

The companies behind the technology bristle when it is characterized as a surveillance tool.