date:Nov 05, 2013
supermarkets too.
It works by using inbuilt cameras in a TV-style screen above the till that identify whether a customer is male or female, estimate their age and judge how long they look at the ad.
The real time data is fed back to advertisers to give them a better idea of the effectiveness of their campaigns and enable them to tailor ads to certain times of the day.
Privacy campaigners have voiced their concern at the news, saying that the explosion in personal data collection was threaten