According to figures provided by Canalys and published by Symbian, the iPhone accounted for 27% of all smartphone sales in North America in Q3, besting the entire lineup of Windows Mobile-based smartphones, as well as others running Symbian, Linux, and Palm operating systems, and second only to the RIM Blackberry. The iPhone’s debut in second place (Q3 was the first full quarter of sales for the handset) is particularly notable because its competition…