This document summarizes a study investigating how creativity and innovation are fostered within advertising agencies. It conducted research at two Italian advertising agencies using participant observation and questionnaires. The study aims to develop a collaborative thinking model that can enhance group creativity and be applied to any advertising agency regardless of context. It explores practices from innovative companies like Pixar and how their approaches to group collaboration could be adapted for advertising agencies. The document also discusses how technology and digital media have transformed advertising and the importance of collaboration and interaction between people for generating new ideas.