And that time period might be at most a month, considering the last post with the exact same link (http://news.ycombinator.com/item?id=5186774 http://news.ycomb

And that time period might be at most a month, considering the last post with the exact same link (http://news.ycombinator.com/item?id=5186774 http://news.ycombinator.com/item?id=5186774 ) predates the current post by 31 days.