Updated whygo (markdown)
diff --git a/whygo.md b/whygo.md
index 7641af9..8a40b40 100644
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+++ b/whygo.md
@@ -83,6 +83,7 @@
- [**Go at Toggl** by Alari Aho](http://blog.toggl.com/2012/09/moving-to-go/)
- [**Go at Torbit** by Tylor Arndt](http://torbit.com/blog/2013/02/19/big-data-at-torbit/)
- [**Go at VividCortex** by Anna Navatsyk](https://vividcortex.com/blog/2014/11/20/in-case-you-missed-it-developing-mysql-apps-with-go/?utm_source=org&utm_medium=twit)
+- [**Go at Yahoo**](https://github.com/yahoo/webseclab)
- [**Go at YouTube (Vitess)** by Sugu Sougoumarane (dotScale 2014 2014)](https://www.youtube.com/watch?v=5yDO-tmIoXY)
- [**Go at YouTube (Vitess)** by Sugu Sougoumarane (FOSDEM 2014)](https://www.youtube.com/watch?v=qATTTSg6zXk)
- [**Go at YouTube (Vitess)** by Sugu Sougoumarane (I/O Bytes 2014)](https://www.youtube.com/watch?v=midJ6b1LkA0&sns=gp)
