The following things have been accomplished between Duke Nukem Forever's announcement on April 28th, 1997 and its death on May 6th, 2009...
http://duke.a-13.net/
My favorite quote: "Things that have taken less time than Duke Nukem Forever's Development: World War II and the entire Manhattan Project. Yes, even the complete development of the atomic bomb took less time."
To me the most telling is that it took less time to put a man on the moon...