University of Washington researchers planned to equip preschool teachers with wearable cameras capturing first-person footage of classroom interactions to train AI models, with recordings limited to 150 minutes per visit across up to four visits in one month. The consent document specified fixed classroom cameras as an alternative and stated that daily routines would remain unchanged. Primary source: https://www.404media.co/researchers-wanted-preschool-teachers-to-wear-cameras-to-train-ai/.