In the early 2000s, the record industry was being crippled by piracy, as illegal streaming sites made it easy for people to simply download a song, album or movie for free. But in 2006, Spotify launched their ground-breaking – and legal – streaming service. Now worth a projected $28 billion (£22.5bn) and boasting over 130 million paid subscribers and over 285 million monthly active users, how did Spotify do it? And why is it still failing to make an annual profit? Click or scroll through to find out about Spotify's story.