Statistically-driven User Perceptions of Online Sharing Services A visulization tool made in d3js to explore User Perceptions on online music sharing services. The up-right cross is the ideal perception of the user according to the music sharing service; the single user is rapresented by a small white circle; the colourful area identified by users give an insight around an overall user perception in a specific music sharing service. The dataset is obtained from an online survey conducted on a wide group of people with different nationality, age and profession by two researchers from USI (Lugano, CH) and TUT (Tampere, FI). Project realised by Greta Castellana, Anton Fedosov.