One of many real world examples. "In four months Barnaby wrote 137,000 lines of bullet-proof assembly language code. Rubenstein later checked with some friends

One of many real world examples. "In four months Barnaby wrote 137,000 lines of bullet-proof assembly language code. Rubenstein later checked with some friends from IBM who calculated Barnaby’s output as 42-man years." https://news.ycombinator.com/item?id=12114185 https://news.ycombinator.com/item?id=12114185