The following video is part of this week's MarketFoolery podcast, in which host Chris Hill, along with Jason Moser and Joe Magyer, discuss the latest business news. Research firm IDC released a sales report this week revealing that's Kindle Fire tablet had a strong debut in the fourth quarter of 2011, in which it took market share from Apple's iPad. In this segment, the guys analyze where things stand for Amazon now that reports are starting to surface indicating that some consumers are dissatisfied and returning their Kindle Fire tablets. The guys discuss how big a problem this could be for Amazon, how much time the company will have to fix any significant problems, and what it means for investors.

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