All hospitals are currently investing in technology: from an electronic patient file and patient portal to successful integration between the IT systems intra and extra muros. In addition to the professionalization of care, technology also offers opportunities to help the patient of tomorrow digitally. Instead of evaluating all the opportunities ad hoc, it is better to define a future IT architecture in which step-by-step progress can be made in a well-considered manner, within budget and in line with the expectations of all the stakeholders.