http://www.theverge.com/2013/7/1/4482506/watch-abc-ios-app-now-requires-a-cable-subscription

When ABC started offering live streaming TV to its iOS app, anyone in New York City or Philadelphia was able to tune in. Unfortunately, that early promotional period is over — users of the Watch ABC iOS app must now sign in with a username and password from a cable provider like Comcast, Cablevision, Cox, Charter, Midcontinent, or AT&T. - Nathan Ingraham

via Streaming-TV http://www.theverge.com/2013/7/1/4482506/watch-abc-ios-app-now-requires-a-cable-subscription