Which innovative marketing campaign strategy doubled youth attendance at the Imperial War Museum in London between 2018-2020?

Military history museums face unique challenges in attracting diverse audiences while maintaining their educational mission. In recent years, several institutions have pioneered innovative marketing approaches to broaden their appeal beyond traditional military enthusiasts. This poll tests your knowledge of a groundbreaking marketing campaign that transformed visitor demographics at a major military history museum and has since become a case study in specialty museum marketing.

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The "Voices of War" interactive AR experience that allowed visitors to hear firsthand accounts from veterans through their smartphones
The "Battlefield to Homefront" campaign that connected historical conflicts to modern everyday products and technologies
The "History Influencer" program that partnered with social media personalities to create content about museum artifacts
The "Time Traveler" subscription box service that delivered replica artifacts and educational materials to homes monthly