To highlight potential advantages and disadvantages of artificial intelligence, a website called thispersondoesnotexist.com displays believable images of AI generated people who don't exist. Meanwhile, OpenAI's GPT2 "deep fakes for text" can produce believable stories with no connection to reality or truth, revealing AI's mastery and comprehension of language. And 'Summit', the world's most powerful super computer, is using machine learning to help with long-term weather forecasting and earlier warnings of storms and floods.