Sara Gruen did it. Erin Morgenstern did it. So did Kelley Armstrong. And so have hundreds of thousands of other men and women around the world. They attempted to write 50,000 words of a novel in 30 days.If you were going to join NaNoWriMo (National Novel Writer's Month) and participate (better hurry: starts November 1), what would be your most important tool? A computer? A pencil and paper? A cup of coffee? None hold up against that most direly needed tool...NaNoWriMo's word count API.