Now, this is a first for Microsoft. To swallow it’s pride to build an application for Apple iPhone. However, I must say that it is a good marketing move. Imagine tapping on Apple large following to use Microsoft product. BTW, this SeaDragon is Free at iTunes App Store.
From Microsoft blog,
Get super-close in on a map or photo, with just a few pinches or taps of your finger. Browse an entire collection of photos from a single screen. You can browse Deep Zoom Images that you can create from your own pictures or your Photosynth collection (or anybody else’s).
Go to their blog to get a good look at the application in action. Very cool.