Creativity + Meaning= Effective Solution. Design judges at the 2012 Cannes International Festival of Creativity had a "Cocoon" moment. They ran in and out of the jury room with the glee of 5-year-olds, having just gotten their hands on a magical piece of work from Serviceplan, Munich. On the surface, it was a completely blank white book. But all came to light -- literally -- when the book was exposed to the sun and its rays interacted with specially treated paper to reveal the content within.