2010-07-30 iphone 4 機能::http://www.apple.com/jp/iphone/features.html フォルダ::http://www.apple.com/jp/iphone/features/folders.html シンク::http://www.apple.com/jp/itunes/features/#itunessyncing http://www.google.co.jp/search?hl=ja&rlz=1G1GGLQ_JAJP260&&sa=X&ei=9dZSTPvkBIO4vQOn-ZHLCg&ved=0CDAQBSgA&q=iphone+4&spell=1iPhone*