When you eat a bowl of cereal, snack on a tub of yoghurt or take a gulp of bottled water, you may think that you're just fueling up. But you're also contributing to the biggest successes of the modern food story. Cereal, yoghurt and bottled water are some of the most sophisticated food creations that modern business has ever seen. They've transformed what we eat and the way we live. In this astonishing series we get to see how some of the world's biggest companies make billions from food products. A fascinating look at modern food technology and our diet.