Which market segmentation strategy revolutionized telescope sales in the early 2000s, making astronomy more accessible to casual observers?

The astronomy industry has seen remarkable innovations in telescope marketing over the decades. Major manufacturers have employed different strategies to target various consumer segments, from casual stargazers to serious astrophotographers. This poll tests your knowledge about how telescope companies have segmented their retail markets to appeal to different customer bases, reflecting both technological advances and changing consumer interests in astronomical observation.

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The introduction of GoTo computerized mounts with extensive celestial object databases, targeting tech-savvy beginners
The development of ultra-portable refractors marketed exclusively to international travelers and adventure tourists
The launch of subscription-based telescope rental services primarily targeting university students
The creation of luxury, limited-edition observatory-grade telescopes marketed to high-net-worth individuals