pThis book argues that long-distance trade in luxury items - such as diamonds, gold, cinnamon, scented woods, ivory and pearls, all of which require little overhead in their acquisition and were relatively easy to transport - played a foundational role in the creation of what we would call global trade in the first millennium CE. The book coins the term dark matter economy to better describe this complex - though mostly invisible - relationship to normative realities.ppThe first full integration of dark matter economy with the emerging global flows took place in South India and Sri Lanka at the beginning of the millennium. The book then moves to other places in the world - sweet spots - where a particular type of affluence was generated through the trade in luxury goods. This upstream affluence manifested itself in the creation of shrines, palaces, temples and engineering works that all thickened the landscape of memory, control and extraction and also served as a defense mechanism aga