According to the latest monthly totals from web metrics firm Net Applications, global usage of Apple’s (AAPL) Mac OS X platform overtook that of Microsoft’s (MSFT) Windows Vista in the month of August. The Cupertino-based company’s operating system accounted for 7.13% of worldwide usage while Vista fell to 6.15%. The latest version of OS X, known as Mountain Lion, has seen extremely fast adoption and already has a worldwide usage share of 1.34%. In the same month, Windows 7 finally surpassed Windows XP to become the most popular operating system in the world. The firm also found that Apple’s iPad and iPhone accounted for 3.37% and 2.42% of Web traffic respectively, while the Android operating system made up only 1.71% of traffic.