Which retail marketing trend revolutionized astronomy equipment sales in the 2010s by making high-end telescopes more accessible to amateur astronomers?

The astronomy retail market has undergone significant transformation in recent years, with specialized stores and online platforms developing unique marketing strategies to promote telescopes, star maps, and other astronomical equipment. This poll tests your knowledge about a notable market trend in astronomy retail that changed how these specialized products are sold to enthusiasts and newcomers alike.

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The 'Star Party' demonstration events where customers could test equipment before purchasing
The 'Constellation Subscription' model where customers pay monthly fees to gradually own premium equipment
The 'Celestial Trade-In' program allowing customers to upgrade their equipment at reduced costs
The 'Midnight Madness' flash sales offering steep discounts on astronomical equipment during meteor showers