Some of the previous discussions: https://news.ycombinator.com/item?id=22117241 https://news.ycombinator.com/item?id=22117241 https://news.ycombinator.com/ite

Some of the previous discussions: https://news.ycombinator.com/item?id=22117241 https://news.ycombinator.com/item?id=22117241 https://news.ycombinator.com/item?id=18882335 https://news.ycombinator.com/item?id=18882335 https://news.ycombinator.com/item?id=11777662 https://news.ycombinator.com/item?id=11777662