Apple is closing the gap between itself and Nokia in its effort to become the world’s top smartphone vendor. According to the latest data from IDC, Apple’s Q1 2011 shipments of 18.7 million iPhones—up 115 percent year over year—were good for 18.7 percent of the market, trailing long-time leader Nokia by less than six million units. The Finnish company shipped 24.2 million units in Q1, good for a 24.3 percent share of the market,…
