Sebastian Siemiatkowski is leaning all the way into the idea that his buy-now-pay-later, IPO-bound startup Klarna is an AI company. When Klarna delivered updated quarterly earnings on Monday, it was his AI avatar (pictured above) that presented the highlights, according to the company's YouTube video. Other than AI Siemiatkowski's admission, it wasn't obvious that this was AI. There were only a few subtle signs: AI Siemiatkowski didn't blink as much as most humans do. The voice sync was good, bu