Most people would agree that headphone purchase decisions are heavily influenced by the brand and styling (size, weight, color, quality of materials). But what is considered stylish and fashionable by me is not shared by my 15-year old daughter (this week donning purple hair), and vice versa. In other words, the perceived visual aesthetic of the headphone is really in the the eyes and mind of the beholder, and this can vary with age, gender, culture, and other demographic catego...