This document introduces vjoon, a company that provides magazine publishing systems. It discusses vjoon's long-term partnership with Adobe since 1988. Key events include vjoon creating the first Adobe InDesign based magazine publishing system in 1999 and fully integrating with Adobe Digital Publishing Solution in 2010. The document highlights features of vjoon K4 including improved collaboration, automation, security and support for multi-channel publishing. It also summarizes the benefits of vjoon K4 integrated with Extensis font management.