Which groundbreaking product development approach did Celestron implement in 2018 that revolutionized how amateur astronomers purchase telescopes?

The astronomy industry has seen remarkable growth in consumer products over the past decade. From telescope manufacturers to star-gazing apps, companies have developed sophisticated marketing strategies and retail experiences to reach both amateur astronomers and professionals. This poll tests your knowledge of how major astronomy brands have innovated their product development to meet changing consumer demands and technological advancements.

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Virtual reality telescope testing that allows customers to preview the viewing experience before purchasing
Subscription-based telescope rental service with automatic upgrades every two years
Crowdsourced telescope design where customers vote on features for new models
AI-powered telescope recommendation system based on viewing location and experience level