Jon Kabat-Zinn is a professor, best known for his teachings on mindfulness and meditation as a way to help people overcome stress and disease. In this passage, excerpted from his book, "Coming to Our Senses: Healing Ourselves and the World through Mindfulness" he explores a thought-provoking question of modern life: Now that we can be in touch with anyone at any time, do we risk being out of touch with ourselves?