Mac computers that ship with Mac OS X 10.5.5 or later allow the installation of some bundled Mac OS X applications such as Mail and/or the iLife suite--without needing to reinstall Mac OS X completely.

If you have published images to your free Flickr account from iPhoto '09, attempting to edit these images from your iPhoto application and then republishing to your Flickr account will not replace your published photo with your new image.