Apple (AAPL 0.52%) finally unveiled iTunes Radio, the consumer tech giant's response to Pandora's (P) success.

Pandora shares actually moved higher on the news initially, but that's just near-term relief.

In this video, longtime Fool contributor Rick Munarriz goes over three aspects of iTunes Radio that should alarm Pandora investors -- and one of them should also spook Sirius XM Radio (SIRI -4.43%) shareholders.