This Mazda Billboard Scans the Crowd to Keep a Tally of How Often the Car Literally Turns Heads

Is this Mazda billboard turning heads? You can count on it. Installed on Monday in the retail concourse of Toronto's Royal Bank Plaza, the digital sign, timed to the Canadian International Auto Show, plays a 15-second video that shows the sleek new MX-5 RF from various angles. Custom software allows the ad to detect each...