Which product marketing campaign holds the Guinness World Record for the 'Most comments on a Facebook post in 24 hours'?

Product marketing has seen some truly remarkable campaigns that have broken world records and set new benchmarks in consumer engagement and sales. These campaigns demonstrate the incredible impact of innovative marketing strategies on product success. Test your knowledge about these record-breaking marketing initiatives that have made their mark in the Guinness Book of World Records and business history.

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Oreo's 'Dunk in the Dark' Super Bowl campaign
Shakira's Activia yogurt campaign 'La La La (Brazil 2014)'
ALS Ice Bucket Challenge for ALS Association
Apple's iPhone X launch video