Most people have a strong sense of right and wrong, and many of us are not reluctant to argue with someone who disagrees. But when we take an unyielding stand on something we regard as an eternal truth, we forget that ethics evolve over time. What was once broadly acceptable is now completely unacceptable. For example, burning heretics is no longer considered a just punishment. Child marriage is not applauded as a family value. Many shifts in the right vs. wrong pendulum are affected by advances in technology. In Right / Wrong, Juan Enriquez reflects on the evolution of ethics in a technological age.