Apple became the world’s number one smartphone vendor in the second quarter of 2011, according to the latest data from Strategy Analytics. Apple’s 20.3 million units were good for the top spot and 18.5 percent of the market, besting rival Samsung, which shipped an estimated 19.2 million units, good for 17.5 percent of the market. Both companies blew past former market leader Nokia, which shipped 16.7 million units during the period, good…
