From my days managing an Apple reseller and service center. At least 20% of the population (all age groups) will have trouble with any app other than Messages and Facebook. Even mail gives them trouble. That might even be a conservative number.
From my days managing an Apple reseller and service center. At least 20% of the population (all age groups) will have trouble with any app other than Messages and Facebook. Even mail gives them trouble. That might even be a conservative number.