While everyone has different tastes and needs, there's no doubt that some books are better than others. Not to belittle Gladwell too much - I enjoyed the talk a

While everyone has different tastes and needs, there's no doubt that some books are better than others. Not to belittle Gladwell too much - I enjoyed the talk and it's a valuable perspective on market segmentation - but using a pop science author talking about spaghetti sauce as a source is hardly an argument to dismiss the notion of quality.