Palm. Despite the fact that Palm sold 689.000 Treos in the first quarter of 2007, a 21 percent increase from the previous year, Palm is struggling to remain a major iplayer in the smartphone market amid the success of the Blackberry and the iPhone. The competition with the iPhone is especially fierce since AT&T is the phone F service provider for both products. Palm introduced its Centro in october 2007 as a low-cost strategy to increase market share. Although the Centro sells for $99, it does mot have all of the features of the iPhone. But cost- consumers may choose it over the iPhone conscious given the iPhone's $399 price tag