Part of my studies in to animation requires the use of storyboards. It makes sense, how do I know what to make and how to present it... and in what order?
Needless to say, my original "rough draft" outline for a quick story was totally redone after I ended up writing the script for it. The basic ideas stayed the same, but actually focusing on how cameras move around, zoom, which characters are animated, things fading in and out... yea stuff changed.
I was asked today how my animation is coming along... my answer was "animation is the last thing I'll be doing".