This relates to the concept of beauty, historically a notoriously difficult idea to quantify. It is still very much an unsolved problem, which will require a multi-dimensional form of classification, one more easily related to holistic complexity concepts and intuition than to the traditional linear and logical approaches used in academia. The same form of measurement, when such becomes possible, will relate equally to the intricacies of mind and society, allowing us then to distinguish people based upon their whole personality and not just on simplified prejudicial aspects of it. It will be interesting to see how this 21st Century application of complexity theory changes our lives and societies, since this will be perhaps the biggest advance in human thought since Aristotle locked us into dualist, either true or false, thinking 2500 years ago...