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The decline of BlackBerry in one chart

BlackBerry stocks plunged 22 points this afternoon following a quarterly earnings report that was even worse than expected -- and it was already expected to be bad, with The Wall Street Journal reporting earlier this week that up to 40 percent of BlackBerry employees would be laid off by the end of the year.

But it's worth noting that BlackBerry isn't the only casualty of the of "highly dynamic" smartphone and mobile OS market. As seen in the comScore chart above showing market share from 2005 through 2012, every major smartphone platform from early 2007 has become a practical non-entity since the rise of Android and iOS.