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The Chinese-owned online store has exploded in popularity in the past year, shipping to customers in 49 countries around the world. And its advertising has taken centre stage at one of the world鈥檚 most watched events: the Super Bowl.

So why is Temu so cheap? And how can it afford to spend hundreds of millions of dollars on advertising to take on its rivals?

We hear from experts, politicians and shoppers in China, the US, and the UK about how the company operates, as it seeks to out-pace the competition.

(Picture: The Temu logo displayed on the screen of a mobile device. Credit: Getty Images)

Presented and produced by Sam Gruet