The Economic Theory of the Location of Railways A Book by Arthur M. Wellington en.wikipedia.org The art of not constructing
Now I get it An Article by Ralph Ammer ralphammer.com To design a system means to orchestrate the interplay of its elements. Such a system is considered “interactive” if it is open, which means that there are ways to engage with the processes that are happening inside of it. There is of course a range of interactivities which spans from very basic reactive behaviour to highly complex conversational interactions. systemsinteractionux