Earlier discussions: https://news.ycombinator.com/item?id=5546679 https://news.ycombinator.com/item?id=5546679 (2013) https://news.ycombinator.com/item?id=686

Earlier discussions: https://news.ycombinator.com/item?id=5546679 https://news.ycombinator.com/item?id=5546679 (2013) https://news.ycombinator.com/item?id=6868303 https://news.ycombinator.com/item?id=6868303 (2013) https://news.ycombinator.com/item?id=7637278 https://news.ycombinator.com/item?id=7637278 (2014) https://news.ycombinator.com/item?id=10209249 https://news.ycombinator.com/item?id=10209249 (2015)