Five million subs and counting. But what's the magic number?
Sirius just released its third-quarter subscriber data: more than 5.1 million subscribers. That more than doubles the 2.2 million subscribers Sirius reported a year ago. Sirius claims it's out-grown competitor XM Satellite Radio for four straight quarters.
It was about two years ago that Howard Stern and Sirius announced their deal. Recently I blogged about Stern's lower ad rates on sat radio compared with his old terrestrial radio net. As several readers pointed out, that's only part of the formula.
Sirius currently charges $12.… Read more