Which company holds the Guinness World Record for the 'Most comments on a Facebook post in 24 hours' with their innovative product launch campaign?

Test your knowledge about extraordinary retail marketing achievements that have made it into the Guinness World Records! From viral campaigns to massive brand events, retailers have pushed boundaries to capture attention and break records. This question focuses on a notable digital marketing campaign that made history with unprecedented engagement metrics.

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Samsung, with their Galaxy S4 launch that generated 559,236 comments in 24 hours
Xiaomi, with their Mi 3 smartphone flash sale announcement that generated 1,021,455 comments in 24 hours
Oreo, with their 'Dunk in the Dark' Super Bowl blackout post that generated 819,752 comments in 24 hours
Shakira, with her Activia-sponsored 'La La La' World Cup music video announcement that generated 1,954,196 comments in 24 hours