TY - JOUR AU - Zimmer, Michael PY - 2008/03/03 Y2 - 2024/03/28 TI - Preface: Critical Perspectives on Web 2.0 JF - First Monday JA - FM VL - 13 IS - 3 SE - DO - 10.5210/fm.v13i3.2137 UR - https://firstmonday.org/ojs/index.php/fm/article/view/2137 SP - AB - ER -