Demand for creative applications, flexible print production and cost-effective short-run production is continuing to grow. At the same time, print shops are looking for solutions to expand their existing business models with the help of the internet and unlock additional potential.   These key issues served as the backdrop for the comprehensive digital printing and workflow portfolio showcased at the HEI Flexibility Days run by Heidelberger Druckmaschinen AG. The major focus was on the great d...