Over at Macworld, Andy Ihnatko ponders whether Lion’s sandboxing feature might mean that one of Apple’s best babies — interapplication communication — is being thrown out with the bathwater. Notice also the link to a Jason Snell article in a parallel vein. This is something that some of us here at TidBITS have been quietly worrying about for months. follow link
Keyboard-based Dock Navigation
If you're a fan of keyboard shortcuts and navigation, you may want try accessing the Dock from your keyboard. Press Control-F3 to enter the Dock's keyboard access mode. Then you can press a letter corresponding with an item's name to select it; press Return to open it, Command-Q to quit the selected application, or Escape to exit keyboard access mode. You can also use the arrow keys, Tab key, and other keyboard navigation keys to toggle between the Dock items.
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Macworld Muses About Lion’s Sandboxed Future