"...my main conclusion after spending ten years of my life on the TeX project is that software is hard. It's harder than anything else I've ever had to do."
Donald Knuth (read more)
It is not big, hot news right?! :) I knew it is not just me:)
But here is one: If you think that software is very different than other engineering areas you're wrong! You think that software is very different because it is hard to estimate?! well... keep reading.
The most massive cost overrun in history: Boston Big Dig highway was initially estimated at $5.8 billion.
"Eventual cost overruns were so high that the chairman of the Massachusetts Turnpike Authority, James Kerasiotes, was fired in 2000. His replacement had to commit to an $8.55 billion cap on federal contributions. Total expenses eventually passed $15 billion. Interest brought this cost to $21.93 billion."