“Devotees of simplicity will bring up 37signals and the Apple iPod as anecdotal proof that Simple Sells. I would argue that in both these cases, success is a result of a combination of things: building an audience, evangelism, clean and spare design, emotional appeal, aesthetics, fast response time, direct and instant user feedback, program models which correspond to the user model resulting in high usability, and putting the user in control, all of which are features of one sort, in the sense that they are benefits that customers like and pay for, but none of which can really be described as ‘simplicity’.” (Joel Spolsky)