Following on from his TidBITS article about finding your PowerPC applications in case Lion won’t run them, Matt Neuburg talks to Chuck Joiner on MacVoices about the possible loss of Rosetta in its historical context, and what it might mean for users. follow link
Enter Dashboard, Expose, or Spaces Temporarily
Hold down F9, F10, F11, or F12 (or whatever you've set for the Expose and Spaces keyboard shortcuts) for a few seconds, and then release the key to enter and leave the appropriate mode without having to press the key again. This is particularly useful for Dashboard, in which you can check the contents of a widget and then return to your work with only a single key press.
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Rosetta Takes Center Stage at MacVoices