네이버(모바일앱개발팀) 다닐 때 정리했던 내용~
[참고] http://devcafe.nhncorp.com/?vid=mappscafe&mid=board_6&category=&search_target=nick_name&search_keyword=yuch
[참고] http://developer.apple.com/library/ios/#documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html
[참고] http://developer.apple.com/library/ios/#documentation/UserExperience/Conceptual/MobileHIG/UEBestPractices/UEBestPractices.html#//apple_ref/doc/uid/TP40006556-CH20-SW1
[참고] http://developer.apple.com/library/ios/#documentation/WindowsViews/Conceptual/ViewPG_iPhoneOS/Introduction/Introduction.html