…process. This process is doubly collaborative in user-generated systems such as Wikimedia, where online help is under constant revision, positioning users as au- thors and editors of crowd-sourced documentation. If technical and professional Foreword xv communication seems more f…

…vices in their everyday working and learning practices; grated tools (i.e. MediaWiki, Elgg and the Tagging Tool), pro- therefore, the traces and outcomes of their activities are dis- cessing and analyzing the gathered data, and providing users persed among different tools/service…