Which design decision was NOT part of Tesla's original Autopilot system development strategy?

Tesla's Autopilot system has transformed how we think about autonomous driving in personal transportation. This sophisticated product design integrates numerous sensors, cameras, and AI algorithms to create one of the most advanced driver assistance systems available today. But how much do you really know about the design decisions that went into creating this transformative transportation technology? Test your knowledge about the product design choices that shaped Tesla's approach to autonomous driving.

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Relying primarily on camera-based vision systems rather than expensive LiDAR
Implementing over-the-air updates to continuously improve functionality
Designing a subscription-based model where features expire if not renewed monthly
Building a neural network that learns from the entire Tesla fleet's driving data