Which innovative marketing strategy did Celestron use in 2015 that revolutionized telescope sales and dramatically expanded the amateur astronomy market?

The astronomy industry has seen remarkable shifts in product marketing strategies over the past decade. From traditional telescope sales to advanced astrophotography equipment and digital planetarium subscriptions, companies have had to evolve their approaches to reach both amateur stargazers and professional astronomers. Test your knowledge about a groundbreaking marketing strategy that transformed the accessibility of astronomy products!

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The "Stars in Your Hands" campaign that offered a 90-day money-back guarantee with free virtual training sessions
The "Cosmic Financing" program that provided 0% interest payments on high-end telescopes over 24 months
The "Observatory Subscription" model that allowed customers to rent telescopes seasonally rather than purchasing them outright
The "Trade-Up Technology" program where customers could upgrade their equipment at 50% cost within 3 years of purchase