Which company holds the Guinness World Record for the longest continuous customer service call, demonstrating extreme dedication to resolving a customer's complex issue?

The retail industry has seen some incredible world records over the years as companies strive to differentiate themselves through exceptional customer service. From marathon-length service calls to unprecedented satisfaction ratings, these achievements showcase the extreme lengths some businesses go to for their customers. Test your knowledge about one of the most impressive customer service world records that changed how we think about retail excellence.

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Zappos, with a 10-hour, 51-minute call in 2016
Amazon, with a 9-hour, 37-minute call in 2018
Apple, with an 8-hour, 12-minute call in 2015
Nordstrom, with a 12-hour, 5-minute call in 2017