![TED Talks Daily (SD video) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/759/small/tedtalks-video.png)
Summary: What drives society's understanding of right and wrong? In this thought-provoking talk, futurist Juan Enriquez offers a historical outlook on what humanity once deemed acceptable -- from human sacrifice and public executions to slavery and eating meat -- and makes a surprising case that exponential advances in technology leads to more ethical behavior.