Here is a summary of ten of the most important ideas to come out of this year's Technology, Entertainment and Design (T.E.D.) conference: "People don't have to be together to create something more than the sum of their parts. Conductor Eric Whitacre's Virtual Choirs feature the voices of thousands of people from around the world who performed their parts alone via YouTube. Living is in the struggle, not just the existence. The South Africa-based Handspring Puppet Company creates amazingly lifelike puppets whose struggle to be believed to be real on stage is a metaphor, they say, for the struggle to do more than simply exist in the time we're on earth..."