iPhone SDK limitations already surfacing

Apple is not going to allow user-made SDK applications to run in the background. This means every application, from IM to VoIP to GPS mapping, will have to terminate entirely when the user switches out to take a call or change a song!
read the full story here
http://gizmodo.com/365327/iphone-sdk-limitation-only-one-user+made-app-running-concurrently-no-background-processes




