[CAPTION]Shina Chung, CEO, Kakao Image: Jaehyun Kim for Forbes Asia[/CAPTION] Striding purposefully across the stage at a packed media briefing held in Seoul in early February, Shina Chung, CEO of Korean internet giant Kakao, leaned in to greet OpenAI co-founder Sam Altman. After six months of negotiations, the two companies had just sealed a partnership thatwould give Kakao (market cap: $20 billion) access to the American AI titan’s powerful technology. As Chung declared on stage, it could...