Now, in response to The_Quiet_Earth’s question about time-traveling marines, Erwin started typing. He posted his answer in a series of comments in the thread. Within an hour, he was an online celebrity. Within three hours, a film producer had reached out to him. Within two weeks, he was offered a deal to write a movie based on his Reddit comments. Within two months, he had taken a leave from his job to become a full-time Hollywood screenwriter.