diff --git a/doc/design/assistant/OSX/comment_1_9290f6e6f265e906b08631224392b7bf._comment b/doc/design/assistant/OSX/comment_1_9290f6e6f265e906b08631224392b7bf._comment
new file mode 100644
index 0000000000..633dd01b45
--- /dev/null
+++ b/doc/design/assistant/OSX/comment_1_9290f6e6f265e906b08631224392b7bf._comment
@@ -0,0 +1,14 @@
+[[!comment format=mdwn
+ username="https://www.google.com/accounts/o8/id?id=AItOawlu-fdXIt_RF9ggvg4zP0yBbtjWQwHAMS4"
+ nickname="Jörn"
+ subject="Mount detection"
+ date="2012-09-21T09:23:34Z"
+ content="""
+regarding the current mount polling on OSX: why not use the NSNotificationCenter for being notified on mount events on OSX?
+
+Details see:
+
+1. <http://stackoverflow.com/questions/12409458/detect-when-a-volume-is-mounted-on-os-x>
+2. <http://stackoverflow.com/questions/6062299/how-to-add-an-observer-to-nsnotificationcenter-in-a-c-class-using-objective-c>
+3. <https://developer.apple.com/library/mac/#documentation/CoreFoundation/Reference/CFNotificationCenterRef/Reference/reference.html#//apple_ref/doc/uid/20001438>
+"""]]