My favorite is https://news.ycombinator.com/item?id=15797391 https://news.ycombinator.com/item?id=15797391, it is a reply to a story about a time traveler comin

My favorite is https://news.ycombinator.com/item?id=15797391 https://news.ycombinator.com/item?id=15797391, it is a reply to a story about a time traveler coming back warning us about Bitcoin.