http://www.ilounge.com/index.php/news/comments/iphone-market-share-down-in-q1/14404
shipping market share. that is.The iPhone saw its share of the U.S. smart phone market drop in the first quarter of 2008, according to an IDC vendor survey. After garnering a 26.7 percent share of the market in the fourth quarter of 2007, the iPhone took only 19.2 percent of the market in Q1 2008.