Sharing Behind-The-Scenes Photos For A Movie On Twitter: Good Marketing Or Criminal Behavior?

Remember how Summit Entertainment was pushing for criminal charges against someone who shared some on-set photos of the latest Twilight installment via Twitter? We still can't figure out how this makes any sense at all. How would sharing some on-set photos hurt the production at all. I can only see how it would help. Thankfully, not everyone in the film business is quite so clueless. Ross Pruden...