Which ancient civilization used quipus, complex knotted cords, as an advanced system to record and analyze marketplace transactions and inventory?

Before digital analytics and big data, ancient civilizations developed sophisticated methods to track their commerce and trade. From clay tablets in Mesopotamia to complex accounting systems in Rome, these early forms of 'retail analytics' helped empires manage their vast commercial networks. Test your knowledge about how ancient civilizations monitored and analyzed their marketplace activities across their trade networks!

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Inca Empire
Ancient Egypt
Aztec Empire
Indus Valley Civilization