Which retail innovation most dramatically expanded the consumer telescope market in the 2000s?

The amateur astronomy equipment market has transformed dramatically over the past decades, with innovations in consumer telescope technology making the cosmos more accessible than ever. This poll tests your knowledge about a significant retail trend that revolutionized how telescopes are marketed and sold to amateur astronomers. Understanding these market shifts reveals how product innovation has democratized astronomy as a hobby.

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Introduction of computerized 'GoTo' telescope mounts that automatically locate celestial objects
Development of subscription-based telescope rental services with monthly rotation options
Launch of telescope models with integrated smartphone photography adapters
Creation of build-your-own telescope kits with modular components