Not necessarily. Don't forget that BlackBerry and Symbian both have more marketshare than either iPhone or Android. In Symbian's case, much, much more. Not

Not necessarily. Don't forget that BlackBerry and Symbian both have more marketshare than either iPhone or Android. In Symbian's case, much, much more. Not to mention that the smartphone market as a whole is still expanding, mostly at the expense of traditional "dumb" phones.