Discussed the other day<p><a href="https://news.ycombinator.com/item?id=38461514">https://news.ycombinator.com/item?id=38461514</a>
[dupe]<p>Some more discussion: <a href="https://news.ycombinator.com/item?id=38461514">https://news.ycombinator.com/item?id=38461514</a>