Which technological innovation caused a significant market shift in consumer telescope sales in the early 2000s, leading established brands to rapidly adapt their product lines?

The consumer telescope market has undergone dramatic changes in recent decades, with technological innovations and shifting consumer preferences reshaping how amateur astronomers engage with the night sky. This poll tests your knowledge about a significant market trend that transformed home astronomy in the early 2000s. Can you identify the innovation that caused a major disruption in traditional telescope sales?

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The introduction of computerized 'GoTo' telescope mounts that could automatically locate celestial objects
The development of smartphone-compatible eyepieces that could capture and share astronomical images
The mass production of carbon fiber telescope tubes that significantly reduced weight and cost
The popularity of compact refractor telescopes with ED glass that outperformed traditional designs