In an aggressive move against "showrooming" -- a phenomenon in which consumers test products in-store, only to buy them online -- Wal-Mart (WMT -0.15%)recently announced that it will cease selling Amazon.com's(AMZN -0.16%) Kindle tablet line. While this decision won’t do much to affect either company's bottom line, the repercussions over the long term could be huge for retailers -- and investors -- everywhere. Watch as Foolish analyst Lyons George dives into the looming war between retail and e-tail.

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