Ad firms using tools to help them understand consumers' spending decisions

A researcher with French advertising company Ipsos using an eye-tracking device to conduct research into neuromarketing techniques, in Norwalk, Connecticut, on Dec 5, 2017.
A researcher with French advertising company Ipsos using an eye-tracking device to conduct research into neuromarketing techniques, in Norwalk, Connecticut, on Dec 5, 2017.PHOTO: AFP