Technology allows precise targeting. Satellite radio is throwing up new formats. So Sirius Radio have spawned 24/7 Elvis station.Good Move.  It'll bring in the mob of Elvis fans willing to pay the US$12.95 a month subscription. Next, Sinatra, Rolling Stones, Beatles. Another mass market being taken down by exact one to one marketing (or PR); by narrow casting; by innovation in a wide but very thin market. TV by internet does the same thing. More here.