The Stanley Parable: The (non) official book

This is the story about a man named Stanley. Stanley worked for a company in a big building where he was employee 427. Employee 427's job was simple: he sat at his desk in room 427 and he pressed buttons on his keyboard. Orders came to him through a monitor on his desk, telling him what buttons to press, how long to press them, and in what order. This is what employee 427 did every day of every month of every year, and although others may have considered it soul rending, Stanley relished every moment that the orders came in, as though he had been made just for this job. And Stanley was happy. And then one day, something very peculiar happened...