OpenAI CEO Sam Altman said he liked to use a spiral notebook to take notes because he could rip the pages out when necessary.Mike Coppola vua Getty ImagesSam Altman says he likes to take notes using pen and paper.Altman says he prefers to use a spiral notebook because he can rip its pages out when needed.The OpenAI chief said he uses pens from Uni-Ball and Muji to jot things down.OpenAI CEO Sam Altman likes to take notes the old-fashioned way — using pen and paper.Altman was speaking to writer David Perell on the latter's podcast, "How I Write," when he talked about his note-taking preferences.Perell posted a short clip from their September 5 conversation to X on Monday.