Once was a time, Brooklyn was a bit exotic. When iconic sites (Coney Island, Red Hook, Brighton Beach) showed up in movies, they usually symbolized the borough’s ethnic vigor and a kind of throwback authenticity signifying the "real" New York, as opposed to the churning glass-and-steel Moloch of Manhattan just across the bridges. The proliferation of microbudget features set in Brooklyn has changed that, much as Brooklyn itself has rapidly changed, conveniently in step with the advance of viral media, cheap digital photography and post-mumblecore masses of young filmmakers hoping to ride a film festival premiere to success.