We asked listeners to tell us about the wildest ways they have been using artificial intelligence at work. This week, we bring you their stories. Then, Hank Green, a legendary YouTuber, stops by to talk about how creators are reacting to the prospect of a ban on TikTok, and about how he’s navigating an increasingly fragmented online environment. And finally, deep fakes are coming to Main Street: We’ll tell you the story of how they caused turmoil in a Maryland high school and what, if anything, can be done to fight them.Guests:Hank Green, YouTuber and co-founder of ComplexlyAdditional Reading:School Employee Arrested After Racist Deepfake Recording of Principal SpreadsWe want to hear from you. Email us at hardfork@nytimes.com. Find “Hard Fork” on YouTube and TikTok.