Which innovative marketing campaign strategy did leading telescope manufacturer Celestron implement in 2018 that resulted in a 47% increase in entry-level telescope sales?

The astronomy retail sector has evolved significantly over the past decade with changing consumer demographics and technological advances. Telescope manufacturers and astronomy equipment retailers have had to innovate their marketing and product positioning strategies to remain competitive in a niche but passionate market. This poll explores a fascinating shift in how major telescope brands approached marketing campaigns during the 2017-2019 astronomy boom period following several high-profile celestial events.

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Augmented reality app showing night sky views through different telescope models before purchase
Celebrity astronomer endorsement program featuring Neil deGrasse Tyson as primary spokesperson
Money-back guarantee if customers couldn't view at least 5 planets within first 3 months of ownership
Subscription-based payment model allowing customers to upgrade telescopes annually for reduced prices