[5][6] Radio Explorer allowed the streaming of generated playlists based on searches, which would then play continuously.

[1] Radio Explorer was developed during the BBC Design + Engineering's 10% time initiative.

It was prototyped using the BBC's Forge platform, in order to show content the service took full advantage of Nitro, an API which allowed BBC products to search for content.

[2][7] After internal usage Radio Explorer went on to become a BBC online service.

Instead there was a tweet from BBC Radio 4 for users to try it out and a blog post regarding its development.