蘋果新筆電 MacBook 13, 15, 17 的推出再度顯示省電和效能的平衡才是蘋果新筆電的重點
如何使它可使用8或10小時，不要輸給iPad?
http://differentapple.blogspot.com/
http://arstechnica.com/apple/news/2010/04/inside-apples-automatic-gpu-switching.ars
http://www.macnn.com/articles/10/04/13/exec.claims.10.hour.battery.life.more.important/
