Which innovative digital marketing strategy did Oculus first use in 2016 that revolutionized how VR gaming products were promoted to consumers?

Virtual Reality has transformed gaming marketing strategies dramatically over the last decade. Companies have developed innovative approaches to promote immersive experiences that traditional marketing couldn't capture. This trivia question tests your knowledge about a groundbreaking digital marketing technique that changed how VR gaming products were introduced to consumers and influenced the entire industry's marketing approach.

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Virtual Reality Demo Kiosks in retail stores allowing consumers to experience the product before purchase
Influencer marketing campaigns featuring celebrities playing VR games on social media
360-degree YouTube video advertisements that simulated the VR gaming experience
Augmented reality mobile apps that previewed VR gaming content on smartphones