Which innovative retail marketing strategy led to a 300% increase in consumer telescope sales during the 2017-2018 period?

The astronomy product market has evolved dramatically in recent years, with technological advances and increased public interest driving consumer trends. Retailers of telescopes, star-mapping software, and astronomy equipment have had to adapt their marketing and logistics strategies to meet the growing demand from both casual stargazers and serious astronomers. This poll tests your knowledge about an innovative marketing strategy that revolutionized astronomy retail.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The "Bring the Universe Home" campaign that offered virtual reality previews of what customers would see through specific telescope models
The "Telescope Trade-In" program that allowed customers to upgrade their equipment with significant discounts
The "Star Spotter" mobile app that gamified finding celestial objects and recommended appropriate telescope models
The "Astronomer's Subscription Box" that delivered monthly astronomy equipment with seasonal viewing guides