Sara Tommasi is an Associate Professor of Private Law at the Department of Law Studies of the University of Salento (Italy), where she currently teaches Consumer Law. In addition, she is the Director of the Research Centre for the Digital Market and Consumer Protection. She participates in several research groups and is member of the Center for Risk Studies established at the University of Salento in collaboration with University of Comahue (Ar), Pontifical Catholic University of Minas Gerais (Br), University of São Paulo (Br) and University Externado (Co). She is a directing member of the scientific association "Unione dei Privatisti" and referee and member of editorial committees of legal journals. Her current research interests are digital market and regulation of artificial intelligence, with a particular focus on risk and consumer protection. She took part as a speaker and as organizer in several conferences, seminars and summer schools. She has taught under the Erasmus programme at the University of Tarragona and at the University of Granada. She has also been a guest researcher at the Max Planck Institute for European Legal History and Legal Theory in Frankfurt am Main. She published numerous book chapters, journal articles and three monographies about the sources of obligations, unfair commercial practices and consumer mortgage credit.

Chapter 1. Introduction.- Chapter 2. Digital Services Act and non-discriminatory digital transformation.- Chapter 3. Digital services and algorithmic discrimination.- Chapter 4. Discrimination in the digital market: protection from different sides.- Chapter 5. The risk-based approach in the Digital Services Act and in the Proposed Artificial Intelligence Act.- Chapter 6. Towards the future: risk as opportunity.- Chapter 7. Perspectives and conclusions.