How did Apple leapfrog Nokia in the smartphone market?

I’ve been toying with with the idea of upgrading my phone (currently an N82) with one of the new generation smartphones, either an iPhone 3GS or a┬áNokiaN97. Truth be told, I’ve been lusting after the N97 for some months now as I’ve been committed to Nokia since replacing my Ericcson 337 with a Nokia 6210. ...
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