Value webs are networks of enterprises and end users who jointly produce things of economic value. Well known examples are Spotify and Netflix but Amazon appears also to be a network once you open it up. Value webs use innovative technology to offer valuable propositions to their customers.Value webs are, due to their complexity, difficult to understand. We present the e3value methodology to design, analyze and evaluate these value webs. Being a graphical approach, e3value can easily be under...