Join Sebastian Siemiatkowski, the CEO of Klarna at WIRED Smarter as he discusses the lessons in growth and agility that the European fintech unicorn has experienced.

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Curated by WIRED’s award-winning editorial team, WIRED Smarter gathers the disruptive minds across business, technology, retail, finance and politics to investigate how innovation, technological advances and world events are changing the way we interact with customers.