What lessons do you learn from Audioboom about changing your business model?

Audioboom is the audio equivalent of Netfl ix. The business was launched in 2009 in the UK and already has almost four million listeners. It is also quoted on the London Stock Exchange after its reverse takeover of One Delta, an AIM (Alternative Investment Market)-listed shell company in 2014. Later the same year, the company raised £8 million in a share placing with a number of blue-chip institutional investors, valuing it at over £73 million.