beer distributors to carry anheuser products only. products from other brewers, especially the small microbrewers and smaller national brands, cannot gain access to or are being forced off the shelves of the nation's 2,700 wholesale beer distributors. the federal trade commission and the justice department also recently began involving applications developers for its iPhones, iPod touches and iPads, would undermine competition. the concern is with apple's stipulation that requires developers of applications for these mobile devices to use only apple software tools to build their applications. because Apple is such a dominant manufacturer, especially in the smartphone market where it has sold more than 100 million units, its exclusive dealing stipulation that allows application developers to use only Apple software may substantially lessen competition. by preventing other software tools from gaining access to tens of millions of Apple mobile devices, Apple ensures that only its own software will be used, even if competitors ' software products are better and cost less.