What makes one idea take off over another?
What does it take to 'go viral?'
What makes an idea, a brand, or a behavior catch fire? This hour, TED speakers explore the mysteries behind the many things we spread: laughter and sadness, imagination, viruses and viral ideas.
Sophie Scott: Why Is Laughter Contagious?
Seth Godin: What Makes An Idea Go Viral?
Bill Gates: How Can We Prevent The Next Global Health Epidemic?
Nicholas Christakis: How Do Our Social Networks Affect Our Health?
Yuval Harari: Why Did Humans Become The Most Successful Species On Earth?
