There is no more bbOS, it's now bb10. Also, z10 is not he first full touch device from Bberry, that would be the Bberry storm in 2008. The oS , which is gestures based , is harder to learn because you need to know the hand gestures , but it's far faster and fluid to use once you do. Apple is even adding more gestures for example on the iPad five finger pinch to close and app. Because bb10 is a complete rewrite, people don't have time to learn all the gestures over many versions. Apple is introducing new gestures each version people already will know the old onws. It's kind of like bberry keyboard ahortcuts everyone knows them who's used bberry so it seems easy from one generation of the OS to rhe next.
As people start using bb10 it will seem easy too over the generations.
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