Is a million lines of code a lot? How many lines are there in Windows? Facebook? iPhone apps? » Did we miss any? Let us know. » See the data: http://bit.ly/KIB_linescode » Read the Reddit discussion Updated with clarifications & additions. Thanks to Joe Sadoski, Axel Naumann @ CERN, Daniel Nilsson, Flavio Lehner, Richard Hartmann, Rex Stover, Marius Bauer. » See previous version