Which innovative retail strategy did Celestron implement in 2010 that revolutionized telescope purchasing and became an industry standard for astronomy retailers?

The astronomy retail market has undergone significant transformation in recent decades. As telescope technology advanced from simple refractors to computerized GoTo systems and smartphone integration, companies have employed various branding strategies to differentiate themselves in this specialized market. This poll tests your knowledge of a pivotal moment in astronomy retail history that changed how amateur astronomers shop for equipment.

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The 'StarSense' app integration allowing in-store testing of telescopes via augmented reality before purchase
Introduction of the first astronomy retailer subscription model with monthly equipment upgrades
The 'First Light Guarantee' allowing customers to return telescopes within 30 days if they couldn't successfully view specific celestial objects
Launch of pop-up urban star parties at retail locations to demonstrate products under real night sky conditions