Which retail technology innovation first allowed amateur astronomers to remotely book and control observation time on professional-grade telescopes around the world?

The astronomy retail sector has undergone remarkable technological transformations over the years. From traditional telescope shops to advanced digital planetariums and space tourism bookings, the way we purchase and interact with astronomical products has evolved dramatically. Test your knowledge about the intersection of astronomy and retail technology with this challenging trivia question!

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Telescope Time-Share Platform (TTSP), launched by Celestron in 2008
The iTelescope Network, launched commercially in 2004
NASA's Public Access Telescope Hub (PATH), opened to consumers in 2012
Amazon's Celestial Services platform, introduced in 2010 as part of AWS