Julien Wolff : Dernier contenus/account/julien-wolff-832frSun, 07 Jun 2026 00:44:51 +0200Sun, 07 Jun 2026 00:44:51 +0200E-book et contenu texte: quel business model?https://www.journaldunet.com/retail/1031912-e-book-et-contenu-texte-quel-business-model/Tue, 02 Jun 2009 09:51:54 +0200https://www.journaldunet.com/retail/1031912-e-book-et-contenu-texte-quel-business-model/1