2. OS X 10.7 Lion "the world's most advanced desktop operating system"

3. -Engadget Ars Technica - PC Magazine

4. - Gizmodo - Wired - Macworld

5. Installation Requirements  Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7 or Xeon processor.  2 GB of memory  Mac OS X 10.6.6 or later (10.6.8 recommended)  7 GB of available hard drive space  Internet connection

6. What’s Changed   No install DVD   Pre-Installed   Apple Store   The Lion USB stick

7. What’s Changed   Lion Recovery Disk Assistant   No Rosetta

8. What’s Changed The Finder

9. What’s Changed Exposé (Mission Control)

10. What’s Changed Mail

11. Gestures ’s New What’s New

12. What’s New Launchpad

13. What’s New Resume Apps

14. What’s New Auto Save & Versions

15. What’s New AirDrop

16. Resize Anywhere

17. IT Services and Macintosh  ESET Antivirus  KBox agent