Interesting audio article from CBC Radio : Spark on iPhone accessibilty for blind users
www.cbc.ca/spark/2011/04/repeat-of-spark-125-may-1-4-2011/
using the VoiceOver feature from Apple support.apple.com/kb/HT3598
Nora Young interviews Austin Seraphin, who says what makes it work is the tight integration between the iOS, Applications and the VoiceOver technology.