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Every now and then, we make a prediction that works out precisely as we called it; take the launch of the BlackBerry Q10. Earlier this year, after the Canadian OEM announced that the all-touch BlackBerry Z10 would be launched before the QWERTY-equipped BlackBerry Z10, we smelled disaster. Why not go with your strengths when launching a whole new platform, and certainly a phone with a physical QWERTY keyboard would be playing to BlackBerry's strength...
Source: http://www.phonearena.com/news/WSJ-Demand-for-BlackBerry-Q10-is-poor_id46878