Major discussion 10 months ago:

https://news.ycombinator.com/item?id=26261314 (346 points/111 comments)

Also:

5 months ago - https://news.ycombinator.com/item?id=28301172 (47 points/9 comments)

4 years ago – https://news.ycombinator.com/item?id=15274110 (479 points/149 comments)

6 years ago – https://news.ycombinator.com/item?id=11840453 (276 points/192 comments)