As Apple refreshes its laptop line, we take a look into the origins and evolution of the MacBook
The MacBook Air was a 13.3-inch model, promoted as the world's thinnest notebook, was introduced at the Macworld Conference on Jan. 15, 2008. The original MacBook Air featured a custom Intel Merom CPU plus Intel GMA graphics that was updated to a faster non-custom Penryn CPU and Nvidia GeForce graphics in late 2008. The MacBook Air, which is lighter than most competing models, was the first MacBook produced using a single sheet of aluminum with Apple's unibody technique.
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