Why did Bradley Cooper and Jessica Alba fail to record a tip when they paid their cabbies during New York City taxi rides back in 2013? Why was Cooper near a Mediterranean restaurant in Greenwich Village? Why was Alba at a ritzy hotel in Soho?
We don’t know the answers, but we do know exactly when and where the movie stars were going. And we know all of this not from some special government sting operation but from publicly available data about millions of people’s movements throughout New York City.