Chrome extension

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G Suite Training - Interactive training and walkthroughs, right within G Suite

Screencastify是一個錄屏軟件，它能把螢幕做過的事紀錄下來，更能直接輸出gif圖，非常方便！

We can use screencastify to output a gif file by a screen capture video. It is worth to try!

http://jakemiller.net/gif-creation-with-screencastify/