Operating system interfaces are what you bump into when you are trying to do your work. There is no need for workaday users to see an operating system interface at all; the current OS interface is bureaucratic bloat, an unnecessary impediment and tollgate. Users are interested in direct links to documents, not in operating systems and aps. Opening screens should show documents, not an OS. The metaphor for the interface should be the information, not an OS, not an ap, not a marketing experience. – Edward Tufte

Operating system interfaces are what you bump into…