What do dictators and downloads have in common? Making history for video-on-demand. Sony Pictures said its comedy about a plot to kill North Korea’s Kim Jong-un was downloaded two million times in four days, earning more than five times its limited theatrical haul of $2.8 million. Moviegoers have flocked to see the Seth Rogen flick since Christmas Day, but the film is nowhere near recouping its $44 million cost. Still, the hackers may have inadvertently forged a new frontier.