It's not just Pandora that should be worried about the competitive threat of Internet radio from...

|By:, SA News Editor

It's not just Pandora that should be worried about the competitive threat of Internet radio from Apple, Sirius XM Radio (SIRI -1%) could also lose customers. Though non-music content such as Howard Stern and NFL football will keep Sirius attractive to consumers, the question of just how far into the space Apple will delve looms as an overhang.