Which retail innovation has most significantly increased amateur astronomy equipment sales in the last decade?

The astronomy retail market has undergone significant changes with technological advancements and growing public interest in space exploration. Major observatories, science museums, and online specialty stores have adapted innovative retail strategies to make astronomy more accessible to enthusiasts and casual stargazers alike. Test your knowledge about this niche but fascinating retail sector!

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Smartphone-compatible telescopes with augmented reality star mapping
Subscription-based telescope rental services
Virtual reality planetarium experiences for home use
Biodegradable eco-friendly astronomy equipment