IDEO's Tim Brown on Using Design to Change Behavior - The Conversation - Harvard Business Review

Many large-scale phenomena are the sum of individual actions — sometimes millions or even billions of them. Apple's recent celebration of 10 billion songs downloaded represents 10 billion choices made by consumers to download a song rather than buy it in other formats. In the healthcare space, the Centers for Disease Control and Prevention recently reported a 50 percent drop in respiratory infections in children, a drop attributable (in part) to the group's campaign to educate millions of children to change their behavior: To wash their hands. But what does it take to bring about such mass behavior shifts? Are there approaches that businesses could use, too, to influence behaviors on a micro level, and gain benefits on a macro one?