[Flickr] Flickr上，把Yahoo! ID轉成Google account的方法

1. 登入Flickr
2. 連到http://www.flickr.com/account/transfer/
3. 點選“Use an existing Yahoo! ID”
4. 點選"sign in as a different user"
5. 點選"Google"
6. 用Google account登入。
7. 完成。

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Reference:
Switch your Flickr login from Yahoo! ID to Google or Facebook