WWDC 2014: OS X by the numbers

Here's some quick numbers that Tim Cook shared at WWDC 2014 this morning regarding OS X Mavericks and its adoption.

• 12% Mac growth in the past year versus a negative growth for the industry overall.

• More than 40 million copies of Mavericks installed since October, most in Apple's history.

• More than 50% of install base working on latest OS. Cook says this is the fastest adoption ever.

• By comparison, only 14% of Windows users have adopted the latest version of Windows.

We'll have more updates from WWDC 2014 all day.