Previous discussions:
- 2012, 93 comments: https://news.ycombinator.com/item?id=4389061
- 2013, 51 comments: https://news.ycombinator.com/item?id=5915989
- 2012, 93 comments: https://news.ycombinator.com/item?id=4389061
- 2013, 51 comments: https://news.ycombinator.com/item?id=5915989