This document summarizes a presentation on open data in Italy given by Lorenzo Benussi. The presentation provided background on open data and big data trends. It defined key open data concepts like open knowledge definitions and open data licenses. Examples of open data portals from around the world and in Italy were presented. Challenges around open data quality, explanation and engagement were also discussed. The presentation concluded that open data has the potential to transform how information is managed, markets function, and the relationship between government and citizens.