Kantar World Panel has released its latest stats on smartphone sales in the fourth quarter. Naturally, Google's (NASDAQ:GOOGL) Android platform is still dominating the market. And perhaps even less surprisingly, the report gives even more confirmation that BlackBerry (NASDAQ:BBRY) is officially deceased. BBRY's highest percentage market share of any market is in Great Britain, with 3% market share, and the company holds less than half a percent in both the U.S. and China. Microsoft's (NASDAQ:MSFT) Windows Phone may be picking up much of the market share that BlackBerry is losing, and while it won't be coming near the two top dogs -- Google or Apple (NASDAQ:AAPL) -- anytime soon, it may be positioning itself to hold a solid third place.

Apple's market share did slip in many markets, but it held strong in the U.S., China and Japan. Kantar also notes that Samsung is facing pressures across all major markets now, with profit growth slowing as the company is pinched both from the high end with Apple and its new smartphones, and from increasingly manic competition on the low end of the smartphone spectrum. In this video from Monday's Tech Teardown, Motley Fool tech and telecom bureau chief Evan Niu discusses the latest numbers in the cutthroat smartphone war.

So what's the best way for investors to play the smartphone battle?
Want to get in on the smartphone phenomenon? Truth be told, one company sits at the crossroads of smartphone technology as we know it. It's not your typical household name, either. In fact, you've probably never even heard of it! But it stands to reap massive profits no matter who ultimately wins the smartphone war. To find out what it is, click here to access the "One Stock You Must Buy Before the iPhone-Android War Escalates Any Further."

Erin Kennedy and Evan Niu, CFA, both own shares of Apple. The Motley Fool recommends Apple and Google and owns shares of Apple, Google, and Microsoft. 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.

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