Health and wellness has become absolutely central to everything the food industry does. One simple product embodies this modern food revolution: yoghurt. And big business has transformed it into one of the most profitable products in the world. With exclusive access to some of the world's biggest food companies, this program reveals how yoghurt has gone from hippy food to functional super food in just 40 years. In this episode we explore brands such as Yakult, Ski, Mueller, Yoplait and others, and see just how they skillfully read the mood of the developing nations. This is a fascinating look at diet, marketing, retailing and technology today.