(2007 /w updates in 2017) Past discussions:<p>2017 (132 points, 47 comments) <a href="https://news.ycombinator.com/item?id=13731331">https://news.ycombinator.com/item?id=13731331</a><p>2014 (54 points, 15 comments) <a href="https://news.ycombinator.com/item?id=7675415">https://news.ycombinator.com/item?id=7675415</a><p>2013 (153 points, 52 comments) <a href="https://news.ycombinator.com/item?id=6123720">https://news.ycombinator.com/item?id=6123720</a>