Backlit keyboard. What you see is what you type.
As incredibly compact as MacBook Air is, it still manages to fit a full-size keyboard that makes typing as natural as it is comfortable. And now the keyboard is backlit, so you can type with ease in even the dimmest light. A built-in ambient light sensor detects changes in lighting conditions and adjusts the display and keyboard brightness automatically. From a seat in a sunny café to a seat on a cross-country red-eye, you’ll always have the perfect lighting for any environment.
Read more :http://www.apple.com/macbookair/features.html
