Which e-commerce innovation revolutionized amateur astronomy by introducing the first major 'telescope-as-a-service' subscription model?

The astronomy industry has embraced e-commerce in unique ways to deliver celestial experiences to enthusiasts worldwide. From telescope purchases to virtual stargazing sessions, astronomy retailers have pioneered specialized online shopping experiences. This poll tests your knowledge about a revolutionary e-commerce innovation that transformed how amateur astronomers access the night sky.

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Celestron's NexStar Cloud, allowing users to remotely control physical telescopes via smartphone for a monthly fee
Slooh's web platform, providing access to a network of observatory-grade telescopes through subscription tiers
NASA's SkyConnect, offering premium subscriptions to real-time data from space telescopes for public viewing
StarShare, the peer-to-peer marketplace allowing telescope owners to rent their equipment to others when not in use