When Melissa Heikkilä, our senior AI reporter, tried the new viral AI avatar app Lensa, she was hoping to get results similar to other colleagues at MIT Technology Review, who got realistic yet flattering avatars--think astronauts, and fierce warriors. Instead, she got tons of nudes. Out of the generated 100 avatars, 16 were topless, while another 14 depicted her in extremely skimpy clothes and overtly sexualized poses. Many of the avatars were of generic Asian women clearly modeled on anime or video-game characters, or, most likely, porn. Another colleague with Chinese heritage got similar results: reams and reams of pornified avatars. Its results are generated using Stable Diffusion, an AI model that draws from a massive open-source data set compiled by scraping images from the internet.