New Amazon-exclusive features like X-Ray for Movies, X-Ray for Textbooks, Immersion Reading, Whispersync for Voice and Whispersync for Games.

ENGADGET: Kindle Fire HD 8.9 launched in Europe and Japan, gets permanent price cut in the USA

For all of Mountain Lion's iOS-derived goodness, one highlight plenty of folks would love to see in OS X is still missing in action: Siri, the voice-controlled personal assistant.

CNN: Review: Mac's Lion adventure continues

How Kurt Cobain gave voice to a disaffected, flannel-clad Generation X.

CNN: Commentary: The roots of grunge run deep