diff --git a/whos_using/using.qbk b/whos_using/using.qbk
index ee0d629..5b3abb6 100644
--- a/whos_using/using.qbk
+++ b/whos_using/using.qbk
@@ -773,6 +773,13 @@ Whether you're a government department, an internet startup, or a specialist con
 developement using the Boost Libraries can significantly shorten your
 development cycles.
 
+[blurb [*Google]\n\n
+[@http://code.google.com/p/google-gtags/ google-gtags] Provides server-based 
+tags serving for large codebases. This is an extension to GNU Emacs and X-Emacs 
+TAGS functionality, that uses [@../../libs/test/index.html Boost.Test] as its 
+unit test framework.
+]
+
 [blurb [*LiquidNet]\n\n
 [@http://www.liquidnet.com/ LiquidNet] is Americas number one electronic 
 marketplace for large block trading, and the 5th fastest growing company