Which groundbreaking retail technology did the Imperial War Museum in London first implement in 2018 that increased online merchandise sales by 35% within six months?

Military history museums have undergone significant retail transformations in recent years, adapting e-commerce strategies to reach global audiences and preserve history through merchandise. Many national military museums now generate substantial revenue through their gift shops and online stores, selling everything from replica artifacts to custom apparel. This poll tests your knowledge about an innovative retail strategy implemented by a major military museum that dramatically increased its customer engagement and sales.

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AR battlefield visualization app that allowed customers to 'try on' historical uniforms before purchasing replicas
Blockchain-authenticated memorabilia tracking system for verifying the authenticity of historical artifact replicas
AI-powered recommendation engine that suggested items based on specific military campaigns visitors showed interest in
Voice-activated kiosks throughout the museum that allowed visitors to order items for home delivery via spoken commands