discussed here some years back<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=3552290" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=3552290</a><p>I seem to recall also another discussion but alas, cannot find it.