In the following video, Motley Fool consumer-goods analyst Blake Bos discusses'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.