Alex Popken was a longtime trust and safety executive at Twitter focusing on content moderation before leaving in 2023. She was the first employee there dedicated to moderating Twitter’s advertising business when she started in 2013.Alex Popken was a longtime trust and safety executive at Twitter focusing on content moderation before leaving in 2023. She was the first employee there dedicated to moderating Twitter’s advertising business when she started in 2013.Business[#item_full_content]