In it, the narrator states that QC is best used to prototype something you've never seen before--bc if you've seen it then you can just use that to describe what you want.
To make prototypes to feel for yourself or perform user tests, I use Hype: http://tumult.com/hype/ It is pretty great. It should be a part of this discussion now that it supports retina images as of the 2.5 release.
I used this video to learn a little about Origami & QC: http://vimeo.com/85578380
In it, the narrator states that QC is best used to prototype something you've never seen before--bc if you've seen it then you can just use that to describe what you want.
To make prototypes to feel for yourself or perform user tests, I use Hype: http://tumult.com/hype/ It is pretty great. It should be a part of this discussion now that it supports retina images as of the 2.5 release.