Activities run on digital platforms No 212, 2018/6 - pagesPages 9 to 22Digital platformsBy Jean-Samuel Beuscart, Patrice FlichyPages 23 to 49The ins and outs of instant delivery platformsBy Anne Aguilera, Laetitia Dablanc, Alain RalletPages 51 to 84For a few euros moreBy Pauline Barraud de Lagerie, Luc Sigalo Santos, translated by Jean-Yves BartPages 85 to 119Are digital platforms revolutionizing the way we work?By Bruno Chaves Ferreira, Anne Jourdain, Sidonie NaulinPages 121 to 148Reinforcing and transgressing the digital intermediation frameworkBy Adrien Bailly, Florent Boudot-AntoinePages 149 to 178Community management activity put to the test of the social Web’s algorithmic architectureBy Thomas JammetPages 179 to 206Producing newsworthy imagesBy Valentina GrossiPages 207 to 232Finding a way out of the ontological debateBy Céline BorellePages 233 to 241Reviews