Linda Yaccarino speaks to Axios at the Cannes Lions Festival of Creativity. Photo: Nicolas Gavet on behalf of AxiosX CEO Linda Yaccarino said Wednesday she is stepping down from her role.Why it matters: Yaccarino was the first permanent CEO Elon Musk hired after buying the platform in 2022. Under her leadership, X has managed to maintain its dominance as the top social discourse app in the U.S., but its ads business still faces challenges. Zoom in: Yaccarino announced the decision in a post on X...