Which ancient civilization invented the first known coin-operated vending machine, revolutionizing retail by allowing automated transactions without a merchant present?

Long before modern shopping malls and e-commerce platforms, ancient civilizations developed sophisticated retail systems. From the agoras of Greece to the forums of Rome and the bazaars of Mesopotamia, commercial innovations shaped early economies and set foundations for today's retail practices. This trivia explores a fascinating technological advancement that revolutionized ancient commerce and consumer behavior patterns. Test your knowledge about retail's ancient origins!

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Ancient Egypt - water dispensers requiring bronze tokens (1500 BCE)
Ancient Greece - Hero of Alexandria's holy water dispenser (1st century CE)
Ancient Rome - wine dispensers in taverns using denarii coins (120 CE)
Ancient China - tea dispensing machines using copper coins (3rd century BCE)