It’s not a small download, but all Apple says about the Lion Recovery Update is that it improves Lion Recovery and fixes a bug related to Find My Mac when using a firmware password. Hopefully you won’t have to rely on Lion Recovery, which enables you to perform some troubleshooting and to reinstall Lion by booting from a special hidden partition on your hard disk. Software Update is the easiest way to get and install this update. (Free, 431.91 MB)
Multi-Monitor iChat in Snow Leopard
In Snow Leopard, on a multiple-monitor system where you're using screen sharing over iChat, dragging the tiny inset preview of your own screen to another monitor shifts the remote screen to that monitor.
Lion Recovery Update
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