Which major retail innovation did Celestron introduce in 2019 that revolutionized telescope shopping for amateur astronomers?

The astronomy retail market has transformed dramatically in recent years, with specialized telescope manufacturers, observatories, and science centers developing innovative marketing strategies to reach enthusiasts. Major astronomy retailers have pioneered unique approaches to product development and customer engagement. Test your knowledge about the business side of stargazing and how companies are marketing the cosmos!

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Smartphone-integrated AR star finder that shows celestial objects before purchase
Subscription-based telescope rental program with monthly delivery
In-store dark rooms that simulate night sky viewing conditions
AI-powered telescope recommendation engine based on viewing location