Spotify was already the online media service du jour. Its seamless streaming and fair pricing have turned it from a novel iTunes rival to a necessary part of our daily lives. Apps only add to that, turning it from a background app in itself to a media destination. The API has let developers spin out lyric-finding apps, ticket-scouring tools and enabled us to make personalised radio stations all at the same time. While reading reviews.
And discovering new artists via likeminded musos. Now that it wirelessly syncs with your phone, a £9.99 per month Premium account is a must.