Get up to speed on OS X Mountain Lion's major new features, including Notification Center, Dictation, Gatekeeper, Game Center, Messages, Notes, Reminders, and AirPlay Mirroring. Step-by-step tasks with graphics and examples. Concisely defined terms and concepts. Plenty of tips, tricks, and workarounds. Fully indexed and cross-referenced. Excerpted from "OS X Mountain Lion (Tech 102)" by Chris Kennedy. Contents 1. Installing Mountain Lion 2. Notification Center 3. Game Center 4. Dictation 5. Gatekeeper 6. Calendar 7. Contacts 8. Messages 9. Notes 10. Reminders 11. Share Sheets 12. Twitter Integration 13. Facebook Integration 14. AirPlay Mirroring 15. Software Updates via App Store 16. Power Nap 17. Deeper iCloud Integration 18. Features for China 19. Removed from Mountain Lion About the Author Chris Kennedy is a technical writer based in Boulder, Colorado. When he's not typing, Chris climbs rocks, revises his screenplays, and reads the journals of polar explorers.