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https://news.ycombinator.com/item?id=26686476 - April 2021 (25 comments)

https://news.ycombinator.com/item?id=16609665 - March 2018 (1 comment)

https://news.ycombinator.com/item?id=1253631 - April 2010 (12 comments)

https://news.ycombinator.com/item?id=714353 - July 2009 (1 comment)