Which retail technology advancement most significantly revolutionized the astronomy equipment market between 2015-2020?

The astronomy industry has seen remarkable growth in retail technology as stargazing becomes increasingly accessible to the public. From specialized telescope retailers to planetarium gift shops, astronomy product sales have transformed dramatically in recent years. This poll tests your knowledge about a significant technological advancement that revolutionized how astronomical equipment is marketed and sold to consumers. Can you identify the correct retail technology that changed the game?

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Augmented reality apps allowing customers to virtually test telescopes by simulating night sky viewing experiences from their location
Blockchain-based certification systems for authenticating meteorite samples and rare space collectibles
Voice-activated observatory domes that respond to customer commands during in-store demonstrations
Satellite-connected inventory systems that automatically restock based on predicted solar event popularity