Also:

https://news.ycombinator.com/item?id=35241608 (3 comments)

https://news.ycombinator.com/item?id=35242458 (> 20 comments)

https://news.ycombinator.com/item?id=35264965 (> 50 comments)

https://news.ycombinator.com/item?id=35265569 (1 comment)