Interesting discussion on how Facebook does 'Dark Launching' and keeps 'Nuclear Options' available

https://www.facebook.com/note.php?note_id=96390263919

Great article on feature flipping

http://code.flickr.com/blog/2009/12/02/flipping-out/

Great article on the Time/Money/Quality Dilemma

http://www.startuplessonslearned.com/2008/10/engineering-managers-lament.html