Ad firms using tools to help them read your mind


NEW YORK: Why did you splurge on that new pair of shoes? Or that pricey smartphone? More and more advertisers are trying to tap into the unconscious to divine the invisible forces that drive those spending decisions. Using gadgets to track eye movements, computer maps of faces to capture a momentary grin or squinting , and sensors to measure perspiration or monitor brain activity, companies are mining consumers' raw emotions for information.



from Biotech News