" Denmark shows up regularly on magazine and online lists as “the happiest nation on earth,” yet every year tens of thousands of business professionals leave the country. In a nation of only 5.6 million people, where one in four Danish women admits to suffering from high degrees of stress, its hard not to believe that some lists can be misleading. Denmark "

― Martin Lindstrom , Small Data: The Tiny Clues that Uncover Huge Trends