Which mythological 'product launch' most closely resembles modern soft launch strategies, where a product is initially released to a limited audience before wider distribution?

Throughout mythology and folklore, divine beings have 'launched' various gifts, tools, and artifacts to humanity - sometimes with benevolent intentions, other times with unforeseen consequences. These mythological product launches shaped civilizations and became central to cultural narratives. Test your knowledge about these divine product introductions and their impact on legendary societies. Can you identify which mythological product launch strategy most closely mirrors modern techniques?

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Prometheus giving fire to humans, deliberately sharing it with mortals against Zeus's wishes
Pandora's box, which was given to humanity with limited information about its contents
The Golden Fleece, which was displayed publicly but accessible only to those who completed specific challenges
Thor's hammer Mjölnir, which was mass-produced by dwarven craftsmen for the Asgardian market