The social media we know was once easy to define. Platforms such as Facebook or X were designed to mediate human relationships at scale: sharing stories, forming communities, debating ideas and, increasingly, monetizing attention.The social media we know was once easy to define. Platforms such as Facebook or X were designed to mediate human relationships at scale: sharing stories, forming communities, debating ideas and, increasingly, monetizing attention.Machine learning & AI[#item_full_content]