Which product design principle is exemplified by the ancient Greek practice of creating 'hero's journey' narratives with consistent character development across their mythology?

Throughout history, mythology and folklore have served as powerful marketing tools for storytellers, religious institutions, and communities. Ancient cultures used compelling narratives about gods, heroes, and monsters to 'sell' ideas, explain natural phenomena, and establish cultural norms. This poll explores how modern product design principles can be found in ancient mythological storytelling techniques.

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User persona consistency - creating recognizable characters (like Hermes always being the messenger) that audiences could relate to across different stories
A/B testing - ancient Greeks would tell multiple versions of the same myth to see which resonated most with audiences
Minimum viable product - myths were initially released with basic plot elements and elaborated upon only if popular
Growth hacking - myths incorporated hidden messages that encouraged listeners to share them with specific audiences