2月25日
Safari 4 的新 Tab 很不错，可是加载进度指示条消失了，这个不好。虽然可以通过这个命令来恢复成老界面：
$ defaults write com.apple.Safari DebugSafari4TabBarIsOnTop -bool NO
但是毕竟还是蛮喜欢新的 Tab 位置的。那么可以在终端中使用如下命令（注意开始的$是提示符）：
$ defaults write com.apple.Safari DebugSafari4IncludeToolbarRedesign -bool NO
$ defaults write com.apple.Safari DebugSafari4LoadProgressStyle -bool NO
这样就保留了 Safari 4 中 Tab 在顶部的设置，同时保留了原来的工具栏。
2月5日
Guitar 的 Basic Lesson，02-09
http://downloads.apple.com/pub/lessons/basic/2Z695-0014_Guitar%20Lesson%202_Chords%20-%20G,%20C.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0015_Guitar%20Lesson%203_Chords%20-%20A,%20D.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0016_Guitar%20Lesson%204_Minor%20Chords.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0017_Guitar%20Lesson%205_Single%20Note%20Melodies.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0018_Guitar%20Lesson%206_Power%20Chords.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0019_Guitar%20Lesson%207_Major%20Barre%20Chords.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0020_Guitar%20Lesson%208_Minor%20Barre%20Chords.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0021_Guitar%20Lesson%209_Blues%20Lead.pkg
Piano 的 Basic Lesson，02-09
http://downloads.apple.com/pub/lessons/basic/2Z695-0006_Piano%20Lesson%202_Right%20Hand.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0007_Piano%20Lesson%203_Left%20Hand.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0008_Piano%20Lesson%204_Rhythm.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0009_Piano%20Lesson%205_Sharps%20and%20Flats.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0010_Piano%20Lesson%206_Rhythmic%20Accents.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0011_Piano%20Lesson%207_Major%20and%20Minor%20Chords.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0012_Piano%20Lesson%208_Scales.pkg
http://downloads.apple.com/pub/lessons/basic/2Z695-0013_Piano%20Lesson%209_Playing%20the%20Blues.pkg
工具 
