Until now, the only options to present or record iOS apps was to buy a lot of HDMI-to-VGA adapter and video gear, jailbreak your device, or stand over your iPad with a video camera. None of these options have been sustainable or affordable.
If this guy succeeds in getting this published, thousands of developers, trainers, reviewers, and marketers will be delighted. If you can mirror iOS to Mac, you can record the Mac screen, run Goto Meeting to share the iPad view with attendees, or display your device activity on an overhead projector through your Mac laptop.
Hacksugar: Live AirPlay mirroring to Mac