If you haven't heard of Mixcloud, here's a potted history. Founded in 2008 by Nikhil Shah and Nico Perez, Mixcloud is an online platform for sharing DJ mixes and other audio content. The boys call it, 'the Youtube of Radio'.
We did an interview with the pair back in the day.
Unsurprisingly, the concept makes great app fodder. As of today, Mixcloud's million monthly users can use the app to access 300,000 music tracks and podcasts wherever they are. They can listen, tag and even comment on mixes they like.