You wonder why is available the information how Adobe does in house innovation? The real think is reading about innovation and new ways of doing things can help everybody to understand the subject.
The reality is that the inside knowledge of performing any project has a very big component in the experience and knowledge of the people leading the project or workshop. This experience allows the facilitator to adapt on the fly the way of handling an event. Therefore, read about the subject in all the places that you can find. Then get together with people with experience, find some mentors that has gone throughout all the way and plan how to do your self.
It is amazing that building the skills and competences in house is very important, but do not forget that you can learn from experts and experienced people.