Think like National Parks editors and make sure your video constantly answers the questions: "So what? Who cares?" To see examples of stories that do this well, visit npca.org/magazine.
"Write visually. Editors write not in words but with images and sound. So mentally run your script in your head. This will also help sell your script and guide the director in shooting it." Read more at filmmakerIQ.com.
When you film people, you want to capture their emotional state-- so their face should fill up a significant portion of the screen. Read more secrets to quality shots on video101.