The valid demand not to be subjected on the Internet to the restrictive rules of intrusive nations and bullying companies requires a definition of constitutional principles in order to guarantee the protection of rights and freedoms. Access, culture, equality, privacy, identity, anonymity, oblivion, citizenship, security, democracy: here are ten key concepts to remember, bearing in mind that the law also applies in cyberspace. In conversation with Stefano Rodotà, interviewed by Anna Masera and Guido Scorza.