by Deborah Cole Agence France-Presse BERLIN, Germany (AFP) — Steven Soderbergh premiered his new thriller shot on an iPhone at the Berlin film festival Wednesday, showing what little gadgets can do to push the limits of style on the big screen. The American director, who had only a few years ago declared his retirement from filmmaking, told reporters that “Unsane,” his first time using a smartphone for a full feature, had been invigorating. “This is […]