Creators, artists, musicians and filmmakers, on the one hand, defend their legitimate right to reap the benefits of their work. Internet users and public at large, on their part, claim a fundamental right to access information and culture online on fair terms and by means of more attractive business models. How can the current copyright laws respond to all these challenges? What should be the role of internet intermediaries in the enforcement of copyright online? And more generally in this context, how to combine effective protection with the principle of net neutrality?