(2012) https://news.ycombinator.com/item?id=3668310 316 comments

(2014) https://news.ycombinator.com/item?id=8689231 424 comments

(2015) https://news.ycombinator.com/item?id=10520639 228 comments

(2017) https://news.ycombinator.com/item?id=15127633 428 comments

(2019) https://news.ycombinator.com/item?id=19318898 314 comments