FReEMIuM

The website Musicovery is a model of Freemium, as everybody can listen to music for free.
The majority of users use this free version of Musicovery, while a few others pay to get extra features. It also works with Itunes and PS3.
Moreover, the user can subscribe for free and register their preferences. This way, Musicovery can sell the profiles of its registered users to other companies.