Which groundbreaking marketing campaign strategy did Celestron implement in 2013 that led to a 45% increase in their entry-level telescope sales?

In the competitive world of consumer astronomy products, marketing innovations can completely transform a brand's trajectory. Celestron, one of the leading telescope manufacturers, made a bold marketing decision in 2013 that dramatically increased their market share among amateur astronomers. This poll tests your knowledge about product marketing strategies in astronomy retail that changed consumer behavior patterns.

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The 'Sky at Your Fingertips' campaign with smartphone app integration and live stargazing events
The 'Celebrity Astronomer' endorsement program featuring Neil deGrasse Tyson
The 'Cosmic Classroom' educational partnership with NASA and national science museums
The 'Stellar Guarantee' lifetime warranty program with free annual maintenance