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Pizza is the world’s favourite fast food. We eat it everywhere – at home, in restaurants, on street corners. Some three billion pizzas are sold each year in the United States alone, an average of 46 slices per person. But the story of how the humble pizza came to enjoy such global dominance reveals much about the history of migration, economics and technological change. People have been eating pizza, in one form or another, for centuries. As far back as antiquity, pieces of flatbread, topped with savouries, served as a simple and tasty meal for those who could not afford plates, or who were on the go. These early pizzas appear in Virgil’s Aeneid.
