This document summarizes 100%Open, an organization dedicated to open innovation and helping companies co-innovate through partnerships and customer involvement. It provides case studies of projects with LEGO, E.ON, and P&G that involved open innovation and crowdsourcing. It also outlines the benefits of customer co-creation approaches and 100%Open's toolkit to facilitate open innovation partnerships through techniques like joint ventures and mutual give-and-get agreements. Contact information is provided for 100%Open's co-founder.