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Interesting presentations to watch later:
https://www.youtube.com/watch?v=31D94QOo2gY
https://www.youtube.com/watch?v=1fszkxcJt7U
https://www.youtube.com/watch?v=0duYxPIx8gU
To-watch list
原文地址：http://www.cnblogs.com/CarrieCui/p/4553379.html
