Which innovative product development strategy revolutionized observatory gift shop sales in the 2010s, creating a new industry standard?

The retail side of astronomy is often overlooked but plays a crucial role in funding research and public engagement. Observatory gift shops and astronomy retailers have evolved significantly in recent decades, adapting their product development strategies to changing public interests in space exploration. This trivia question focuses on how major observatories have approached their retail product development to better connect with visitors and generate revenue for their scientific missions.

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Personalized star charts showing the sky exactly as it appeared on any significant date in a customer's life
Interactive augmented reality constellation maps that work without internet connection
Scale model telescope kits with real viewing capabilities for home assembly
Meteorite fragment jewelry with certificates of authenticity and origin coordinates