Details of Mac OS X 10.9 have been released

Reposted, and slightly reworked, from my older blog
  
How many more big cats are there which Apple can use for naming their future OS X releases? Well not that many. Mountain Lion is now the confirmed name for 10.8  — quashing the rumors that Apple execs were favoring the name 'Ocelot' — but does 10.8 mark the end of the line of a cat-based nomenclature for Mac OS X?
  
Well, I can reveal that Apple will be sticking with the feline theme, but have made contingency plans for where to go as they run out of the big cat names. So here is an exclusive look at how Mac OS 10.9 will be named and marketed: