As we reported previously, users who switch away from the iPhone are having trouble with their phone numbers remaining tied to iMessage, causing them to miss SMS text messages from other iPhone users. Apple told Re/code that it has fixed a server-side bug that was partially responsible for the issue and that it is working on a software update to address the issue more fully. follow link
Full Screen Quick Look in Snow Leopard
When viewing files in the Finder in Snow Leopard, instead of pressing just the Space bar to enter Quick Look, press Option-Space to display the selected document in full-screen Quick Look, expanding the preview and hiding everything else that would otherwise remain visible.
Apple Working on a Fix for the iMessage Trap