8tracks is an internet radio and social networking website launched in 2008 that allows users to create playlists of at least 8 tracks that can be shared publicly or privately. It has over 5 million active users, one third of which access the site via mobile. Users can browse playlists created by others, make their own, and interact by liking and commenting on playlists. The document discusses 8tracks' features and user experience, how it differs from algorithmic music services, strategies for monetization through advertising and sponsorships, and opportunities for further growth.