The 4th edition of the DataDay comes to allow participants to get acquainted with the world of Data through a panel of conferences in various facets of the medium namely the DigitalIntelligence, behind this term are hidden the huge amounts of digital data generated by the Internet. Web browsing, social networks, online shopping … This quantitative explosion of digital data forces new ways of seeing and analyzing the world, for the sole reason of sensitizing everyone to these new uses and improving the student experience. All this in a pleasant atmosphere of curiosity and simplicity.