As previously announced, Variances, the ENSAE Alumni magazine, has become Variances.eu, the ENSAE Alumni webzine.The editorial territory of this new medium can be summed up as follows: a new collaborative space to host theoretical reflections, debates, information watch, feedback, business applications.... on all the major societal issues addressed through the analytical and forward-looking eyes of the exact, human and social sciences. Variances.eu aims to be a dynamic platform, with 2-3 new publications per week. Every month, you'll find a variety of articles, as well as a thematic dossier featuring 4 to 5 contributions. After Brexit in September, big data takes center stage in October.