Earlier in the week, the Justice Department approved the merger between XM (Nasdaq: XMSR) and Sirius Satellite Radio (Nasdaq: SIRI). If the FCC follows suit, the two rivals will soon become one. So what will a merger mean for shareholders? Will Apple (Nasdaq: AAPL) be a satellite-radio killer? Is Garmin (Nasdaq: GRMN) more friend or foe to satellite radio? Will Microsoft (Nasdaq: MSFT) get in on the act? In this installment of "Fool Video," The Motley Fool's Chris Hill talks with senior analyst Seth Jayson about the post-merger future of XM and Sirius.

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Chris and Seth own shares of Microsoft. Seth owns shares of Ford, Ford debt, and Ford LEAPS calls. Mac does not own any of the stock discussed. The Motley Fool has a disclosure policy.