Who started “Klarna CEO's AI Marketing Savings Post”?

@klarnaseb, on X, May 28, 2024. It reached 4 platforms in 5 months.

LineageContestedKey steps, 9 of 16. Lines follow time and platform
Klarna using GenAI to cut marketing costs by $10 mln annuallyKlarnaBefore the first postPlus Perplexity Raising at $3B@klarnasebFirst post@RahllXPlatform jumpMilestonePlatform jumpPressOwner responseAfterlifePatient zero