we discuss five notable annotation affordances. Annotation provides information, making knowledge more accessible. Annotation shares commentary, making both expert opinion and everyday perspective more transparent. It sparks conversation, making our dialogue—about art, religion, culture, politics, and research—more interactive. Annotation expresses and questions power, making civic life more robust and participatory. And it aids learning, augmenting our intellect, cognition, and collaboration. This is why annotation matters. You
