I was at the store last night and remembered that I needed shampoo, so I wandered over and took a moment to look at what they had. I’ve always been fascinated by one brand in particular: Clairol’s “Herbal Essences“, which was the first shampoo I ever saw in a transparent bottle; the color of each type of shampoo (there was one for each type of hair, one for each of several common conditions like dry hair, limp hair, and so on) was tailored to match a logo which ...