iPhoto's Journal tool is a pretty cool new way to share photos. It makes it easy to turn a group of photos from your iPhone or iPad into an attractive collage. You can add captions, resize photos in place, tweak them using iPhoto's editing tools, and even customize the page with some widgets (such as the weather the day you took your photos). Publish your journal to the Web using Apple's iCloud and voila, all that's left to do is send friends and family the private URL.
We already own a bunch of photo editing apps for the iPhone and iPad. But iPhoto for iOS is a keeper at $4.99. With the editing power it gives iPad and iPhone users, Apple could be right: we really are living in a post-PC era.