"The system has the ability to track tourist data precisely and immediately. "This is the brain of the city," Marco Bettini of Venis, the company which built the system, told CNN. "We know in real time how many people are in each part [of the city], and which countries they're from." Among the information tracked is canal traffic, public transportation departure and arrival times, and pedestrian numbers — the latter is measured using CCTV cameras posted around the city and then combined with cell phone data that can show where visitors are from, based on where the phone is used as well as where it's registered. "
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Next time you have the uncanny feeling you're being watched, you might be right....
