Thanks for the link!  I answered some questions about our technique earlier (<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9157777" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9157777</a> ), which may help elucidate context.