Which revolutionary marketing approach transformed consumer telescope sales in the early 2000s?

The astronomy industry has seen remarkable advancements in consumer telescope technology over the decades. Marketing strategies have played a crucial role in how these sophisticated instruments have been positioned and sold to both amateur stargazers and professional astronomers. This trivia question explores a pivotal moment in astronomy product marketing that changed how consumers perceive and purchase telescopes.

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The introduction of 'GoTo' technology with computerized mounts, marketed as making astronomy accessible to complete beginners
Celebrity astronomer endorsements featuring prominent scientists like Neil deGrasse Tyson in television commercials
The 'Telescope-as-a-Service' subscription model allowing customers to upgrade equipment annually
Virtual reality previews allowing customers to 'test' telescope views before purchasing equipment