Doesn't do anything. Great add on if you worked on that small issue. The only thing it gives you is "Sending Reminder" thats it.
Like others have said, just says "sending message" but does nothing
Great Addon for Redditors ! :)对这个附加组件，此用户曾发表过1个评价。
It just keeps showing this - http://imgur.com/pspVasx