joox.fm demo: http://www.youtube.com/watch?v=Lwfv65Naa78
github starter project: https://github.com/andrewbarba/WebServiceDemo
github finished project: https://github.com/andrewbarba/WebServiceDemoComplete
This is a 2 part iOS 6 Turorial that show how to connect an iPhone App to a Web Service and retrieve JSON Data.
