In the following video, Motley Fool consumer-goods analyst Blake Bos discusses Amazon.com's (NASDAQ:AMZN) Prime service and points out how the streaming component of this business could spell big competitive trouble for Netflix (NASDAQ:NFLX). He discusses why Amazon's stickier ecosystem means its members spend much more on the site than non-members do, which gives it the ability to compete on a cost level that the competition just can't match.

Blake Bos has no position in any stocks mentioned. The Motley Fool recommends and owns shares of Amazon.com and Netflix. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.