Ah, a perennial favorite.
Previously:
https://news.ycombinator.com/item?id=16360479
https://news.ycombinator.com/item?id=23494243
https://news.ycombinator.com/item?id=37026780
https://news.ycombinator.com/item?id=2513293
Sadly, now that the page has been taken down, maybe this is the last time we will see it here.