Yesterday morning SoBigData researchers went in Livorno (Italy) to the ITI Galilei High Scholl. They met the young students and told them what role big data plays in everyday life. Dino Pedreschi (University of Pisa) explained the data scientist job and young data scientists from University of Pisa and CNR showed their latest works and answered to student's questions. Can we say if a music song is happy by analysing data? What ca we understand through Instagram selfie? Does women and men have the same chanches in the labour market? What are the main migrant's ways today? How does a search engine like Google work? What is the science of the networks and how it can be useful to understand Barcellona or Juventus game?