Apple launched MacBook Air- The Second Generation Of Macbook on 20 October 2010. It is the first of the next generation of notebooks that will replace mechanical hard disks and optical drives with Internet services and solid-state flash storage. Macbook is the lightest, most mobile notebook ever. Its weight is only 2.3 pounds and is available in 11-inch and 13-inch models. This small wonder features powerful NVIDIA graphics, an Intel Core 2 Duo processor, lightning-fast flash storage, and long battery life.It has up to seven hours of battery life, and up to 30 days of standby time. It is featured with powerful NVIDIA graphics and Fast Intel core 2 duo processors. The 11-inch MacBook Air has a battery that lasts up to 5 hours, and the 13-inch model lasts up to 7 hours. Its introductory price is only $999.