Spy cameras have been around for decades — even in the film-camera days. They were used by real spies, private eyes, perverts and others, just like digital spy glasses are today.

Sunglass spy cameras were previously relegated to actual spies and weirdos that subscribed to those spy equipment magazines, but ThinkGeek has brought such covert voyeurism to the average man with ...

Pivothead envisions the glasses being used by the likes of coaches training athletes, surgeons teaching at medical schools, and dermatologists documenting skin disorders.

Ray-Ban’s Stories look like classic sunglasses. Except they’re made in partnership with Facebook and have built-in cameras that are hard to spot. We tested them.