Last week, at Google’s annual conference dedicated to new products and technologies, the company announced a change to its premier AI product: The Bard chatbot, like OpenAI’s GPT-4, will soon be able to describe images. Although it may seem like a minor update, the enhancement is part of a quiet revolution in how companies, researchers, and consumers develop and use AI—pushing the technology not only beyond remixing written language and into different media, but toward the loftier goal of a rich and thorough comprehension of the world. ChatGPT is six months old, and it’s already…