The following video is from this week's MarketFoolery podcast, in which host Chris Hill, along with Joe Tenebruso, Jason Moser, and Joe Magyer, discuss the latest business news. One of the big stories in the wake of Monday's Worldwide Developer Conference is Apple's upgrade of the MacBook. Despite its success, the MacBook represents only about 13% of Apple's revenue. In this segment, the guys debate whether the MacBook represents a growth opportunity or is merely a distraction from other product lines. Likewise, the guys discuss the threat the MacBook poses as Microsoft and Intel try to compete with the Ultrabook.

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