Dear all, This special issue presents researches on online political participation over various countries. These were presented during the DEL symposium "Online political participation and its critics" in June 2013 in Paris. Simon Gadras and Fabienne Greffet are the editors of this special issue of the International Journal of Electronic Governance. More about this special issue on the DEL network website : http://www.reseaudel.fr/en/ijeg-del2013/ ***Sommaire/Issue contents*** “Towards a comprehensive approach of online political participation” Simon Gadras and Fabienne Greffet “Online participation: from ‘invited’ to ‘invented’ spaces” Norbert Kersting “Joining the online video conversation? Discourse and practices of European political institutions and politicians on YouTube” Patrícia Dias Da Silva “Political carnivalism and an emerging public space: examination of a new participatory culture on Twitter” Chang Sup Park “The #OCCUPY network on Twitter and the challenges to social movements theory and research” Davide Beraldo and Juan Galan-Paez “National and state-level politics on social media: Twitter, Australian political discussions, and the online commentariat” Tim Highfield “The cultural meanings of Israeli Tokbek (talk-back online commenting) and their relevance to the online democratic public sphere” Gonen Dori-Hacohen and Nimrod Shavit -- Clément MABI Doctorant Sciences de l'information et de la communication Université de Technologie de Compiègne Laboratoire Costech/Equipe EPIN Centre Pierre Guillaumat BP 60319- Rue du Docteur Schweitzer 60203 Compiègne Cedex-France Tel: + 33 (0)6 83 41 36 61