Which retailer holds the Guinness World Record for the 'Largest Product Launch Livestream' that transformed how brands approach digital marketing events?

The retail industry has seen many remarkable achievements that have earned places in the Guinness World Records. These retail milestones showcase extraordinary marketing campaigns, customer engagement strategies, and brand positioning tactics that have literally made history. Test your knowledge about a famous retail world record that revolutionized how brands think about customer loyalty and engagement on a global scale.

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Alibaba's Tmall, which attracted 300 million viewers during its 2020 Singles' Day livestream event
Amazon, with its Prime Day 2021 launch that reached 250 million concurrent viewers across 20 countries
Walmart, whose 2019 holiday season kickoff livestream engaged 275 million shoppers in a 24-hour period
JD.com, whose 2022 618 Shopping Festival opening attracted 290 million livestream participants