Limitless opens with a continuous, seemingly endless zoom shot that starts as if the camera had been dropped off a skyscraper balcony, then weaves through the streets of New York, past pedestrians, under construction scaffoldings, though blocks and blocks of blinking lights and hubbub, through the back windows of taxicabs and out through their front windshields, through Harlem, into Times Square, and then right into a glowing Jumbotron. You are gliding at street level right through solid objects, and the shot reveals little visual evidence of computer-generated trickery.