Apple has managed to more than double its smartphone market share from year to year in the first quarter of 2009, according to Gartner data. iPhones jumped from 5.3 percent of the industry in early 2008 to 10.8 percent a year later. The jump has made Apple the third-largest smartphone maker in the world and gives it twice as much share as HTC, which had just 5.4 percent of the market and grew sl