Brain scan
Media playback is unsupported on your device
Video

Eye-tracking technology helps advertisers target audience

Developments in eye-tracking technology are helping advertisers predict what products will have a visual impact on customers.

The BBC's Victoria Fritz caught up with Ian James, managing director of Eyetracker, and Andy Dean, managing director of NeuroSense, to learn more about what the technology is doing for business.

Go to next video: 3D coding turns disaster to art