Digg has launched its long awaited iPhone app, which was created by TapTapTap . "This free app was designed to create a seamless browsing experience between Digg and the most popular content on the web, as chosen by the Digg community," says Digg's Chris Howard. "We wanted to make it easy to discover interesting content on your phone and to easily jump into the conversations around that content. You can browse lists of recent content, search for the topics you care about,