I think its important for someone who wants to tell stories to constantly be 'rewriting', be it of their own works, or of someone elses. Like the many swathes of people around the world, I went to watch Prometheus. I went in having only watched 2 Trailers, and generally avoiding all spoilers, viral ads, interviews, and reviews. And you know what? I enjoyed it. Sure, it wasnt ALIEN, or ALIENS-but it certainly wasnt the worst movie I've ever seen (as some of the more scathing reviewers would have you know). But then time passed