Which retailer holds the Guinness World Record for the 'Largest Product Launch Event' that revolutionized customer experience during a single-day global product release?

The retail industry isn't just about selling products—it's also about creating memorable customer experiences that stand out. Some retailers have gone to extraordinary lengths to earn Guinness World Records, setting impressive benchmarks in customer experience and retail innovation. This trivia tests your knowledge about a remarkable retail achievement that redefined customer engagement on a global scale.

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Samsung Electronics (Galaxy S4 launch across 13 countries simultaneously)
Apple Inc. (iPhone 6 launch with 6.5 million in-store visitors in 24 hours)
Amazon (Prime Day 2019 with synchronized physical pop-up stores in 18 countries)
Microsoft (Xbox One launch with coordinated midnight events in 21 countries)