AdWeek: This Billboard, for Oliver Stone’s “Snowden”, Has Been Spying on People in Toronto

Here's a pretty great out-of-home execution for Oliver Stone's upcoming film Snowden, about the NSA whistleblower Edward Snowden—a billboard that's been spying on pedestrians in Toronto and streaming footage of their movements on the street. Snowden's revelations about the NSA, of course, raised troubling questions about mass surveillance. […]