I'm with Frank on this one - this has to be the coolest, most exciting, newest concept I've seen all year.
Make sure you watch the video, so that you really do get it - and when the penny drops, your brain will be overwhelmed with ideas for how to employ this technology. Just as Google Earth transformed mapping a year or two ago, this is gonna transform the way we use photos...
Stay calm but: although a CTP is coming soon, there is no indication of a general availability date.