Spotify, another streaming music service that has a radio personalization component, has quickly dominated in the areas of Europe that it operates in.

CNN: Pandora eyes global market, talk radio

When Sehat was 12, he taught himself analog signal processing by taking apart his family's Philips six-transistor radio and rebuilding it one component at a time.

FORBES: Magazine Article

But he has already made his own valve radio and is convinced there will be enough British-made component parts for him to make his own mobile phone.

BBC: Can a family survive for a year on British-made goods?