The video platform is quietly using AI to “improve clarity” in uploaded content. Why?Illustration by The Atlantic. Sources: OrlowskiDesigns / Getty; arbaz bagwan / Getty; Mensent Photography / Getty.Listen to more stories on the Noa app.Something strange has been happening on YouTube over the past few weeks. After being uploaded, some videos have been subtly augmented, their appearance changing without their creators doing anything. Viewers have noticed “extra punchy shadows,” “weirdly sharp ed...