How to use Twitter to predict voting intentions? This is the question we try to answer. Currently we do not know the predictive model corresponding to Twitter. We use various methods of calculations to analyze those trying to reproduce reality, both predicted that during the actual votes. A possibility exists that these analyzes correspond to any reality of the vote, however, other findings, such as popularity, changes followed, etc., can be derived. This application presents statistics of various kinds from the site “Twitter” and for candidates in the French presidential election, was created by engineering students at the Ecole Nationale Supérieure des Mines d’Alès in the context of their study, under the supervision of Michel Crampes and Michel Plantié.