btw : he has been featured on HN at least twice before 2019 https://news.ycombinator.com/item?id=19011880 https://news.ycombinator.com/item?id=19011880 2017 h

btw : he has been featured on HN at least twice before 2019 https://news.ycombinator.com/item?id=19011880 https://news.ycombinator.com/item?id=19011880 2017 https://news.ycombinator.com/item?id=14610110 https://news.ycombinator.com/item?id=14610110