Which innovative market research technique did National Geographic first implement in 2018 to analyze how readers engage with their physical atlas products?

Test your knowledge of how geography-focused brands conduct market research around the world! Major atlas publishers, mapping services, and geographic education companies invest millions in understanding their consumers. This trivia question explores an innovative research technique that revolutionized how one company gathered data about user interactions with their products.

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Eye-tracking heat maps that recorded which regions of maps users looked at longest
Augmented reality surveys that appeared when customers pointed their phones at specific map features
Neural response monitoring to measure emotional connections to different geographic locations
Biodegradable tracking ink that measured finger placement frequency on high-touch map areas