Read this excerpt from Extremely Loud and Incredibly Close . “It’s all electronic these days. Key pads. Thumbprint recognition.” “That’s so awesome.” “I like keys.” I thought for a minute, and then I got heavy, heavy boots. “Well, if people like me are a dying breed, then what’s going to happen to your business?” “We’ll become specialized,” he said, “like a typewriter shop. We’re useful now, but soon we’ll be interesting.” “Maybe you need a new business.” “I like this business.” How does the narration shape Oskar’s characterization in this excerpt?