- The added line is THIS COLOR.
- The deleted line is THIS COLOR.
* api [#m46d0d86]
- API の概要
-- https://developers.google.com/youtube/getting_started
* annotations [#annotations]
- http://www.youtube.com/t/annotations_about?gl=JP&hl=ja
** sample [#sample]
- http://www.youtube.com/watch?v=NPt6U_v-yy0
-- http://www.youtube.com/annotations/read2?hl=ja&feat=TCS&video_id=NPt6U_v-yy0
* download [#download]
- YouTube ダウンロード・自動画質設定 - Chrome拡張機能
-- https://sites.google.com/site/flare0nlabo/home/youtube-chrome-download