There was a service at <a href="http:&#x2F;&#x2F;hnnotify.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;hnnotify.com&#x2F;</a> but sadly it seems to be down of late.<p>See here: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10521491" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10521491</a>