Updated GoUsers (markdown)
diff --git a/GoUsers.md b/GoUsers.md
index 28b9658..b57099d 100644
--- a/GoUsers.md
+++ b/GoUsers.md
@@ -3,7 +3,7 @@
* [Google](http://google.com/) - the core Go team work at Google. Most uses of Go at Google are confidential.
* The [YouTube](http://youtube.com/) team have released their [MySQL scaling infrastructure](https://github.com/youtube/vitess) as open source software.
* dl.google.com is written in Go: [mailing list discussion](https://groups.google.com/forum/?fromgroups=#!topic/golang-nuts/BNUNbKSypE0) / [OSCON slides](http://talks.golang.org/2013/oscon-dl.slide#1)
- * [Flywheel: Google's Data Compression Proxy for the Mobile Web](http://research.google.com/pubs/pub43447.html)
+ * [Flywheel: Google's Data Compression Proxy for the Mobile Web](http://research.google.com/pubs/pub43447.html), [blog post on the rewrite](http://matt-welsh.blogspot.co.uk/2013/08/rewriting-large-production-system-in-go.html)
* Other known uses include
* the [Turkey Doodle (2011)](http://blog.golang.org/2011/12/from-zero-to-go-launching-on-google.html),
* the [Santa Tracker (2012)](https://www.youtube.com/watch?v=fc25ihfXhbg),
