Which retail innovation strategy did Celestron implement in 2019 that revolutionized telescope accessibility for amateur astronomers?

The astronomy retail sector has undergone significant transformation with advanced telescope technology entering the consumer market. Major brands have competed to make sophisticated observation tools more accessible to amateur astronomers. This poll tests your knowledge about a groundbreaking retail strategy that changed how consumers access astronomy equipment.

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The 'StarSense Explorer' app integration that transformed smartphones into automated telescope navigation systems
The 'Universe Subscription Box' delivering seasonal sky maps and telescope accessories monthly
The 'AstroShare' program allowing customers to rent high-end telescopes before purchasing
The 'Virtual Observatory' platform streaming live feeds from store-owned professional telescopes