Shares of Amazon.com (NASDAQ:AMZN) were up more than 40% last week after the online retailer reported better-than-expected earnings. What's behind Amazon's rebound? Should investors buy it? Will a downloadable music service click with consumers and allow Amazon to compete with Apple (NASDAQ:AAPL)? The Motley Fool's Mac Greer talks all things Amazon with senior analyst Rick Munarriz.

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Mac Greer doesn't own shares of Amazon but is a devoted Amazon customer. His most recent purchase was a hosta-friendly Little Tikes Mulching Mower. Amazon is a Motley Fool Stock Advisor newsletter selection. To check out other recommended stocks, try a free 30-day trial of the service. The Motley Fool has a disclosure policy.