Which retail technology advancement has been most crucial for modern digital planetarium gift shops to track inventory of popular items like meteorite fragments and space memorabilia?

Digital planetariums have transformed how astronomical education and entertainment are delivered to the public. These modern facilities combine cutting-edge projection technology with sophisticated software to create immersive cosmic experiences. Behind these spectacular shows lies complex retail technology infrastructure that powers everything from ticketing to the stellar presentations themselves. Test your knowledge about the technology that's revolutionizing how we experience the cosmos!

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RFID-based inventory management systems with real-time analytics
Traditional barcode scanners with manual stock counts
Paper-based inventory logs with monthly audits
Visual recognition systems using astronomy-themed markers