Fri, 05/17/2024 - 02:16 Tech Insider BlackRock COO Robert Goldstein said his company's board (not pictured) couldn't tell that the memo he handed to them was written by ChatGPT.Maskot via Getty Images; Jaap Arriens/NurPhoto via Getty Images Tags Tech, insider-news, BlackRock, chat-gpt, OpenAI Source BlackRock's COO said he gave his staff a memo written by ChatGPT and they could…