Which retail strategy revolutionized telescope sales in the 2010s by making high-quality astronomical equipment more accessible to casual stargazers?

The astronomy industry has seen significant growth in consumer products over the past decade. From telescopes to star-tracking apps, companies have developed innovative marketing strategies to capitalize on humanity's fascination with the cosmos. This poll tests your knowledge about a groundbreaking product development strategy that changed how astronomical tools are marketed to everyday consumers.

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The modular component system, allowing consumers to start with basic equipment and gradually upgrade specific parts
The subscription-based observatory access model, eliminating the need for personal equipment ownership
The augmented reality preview technology, letting customers test virtual telescopes before purchasing
The astronomical equipment rental program with buy-back guarantee implemented by major retailers