According to a recent post on Strategy Eye:
The number of smartphone users is set to quadruple in the next five years as demand for the device shifts from early adopters to general consumers, according to Parks Associates. The report forecasts that more than 1.25bn people will own a smartphone by 2014, up from just 300m last year. The devices will increasingly be sold to older, more budget-conscious customers…
One more datapoint to be incorporated into studies of the emerging mobile internet.