Foursquare had about 1.2M lines of code about a year ago (the last time I counted). And that's counting everything: code, tests, HTML & CSS, 3 mobile clients, v

Foursquare had about 1.2M lines of code about a year ago (the last time I counted). And that's counting everything: code, tests, HTML & CSS, 3 mobile clients, various toolchain/support projects. 500M seems impossible. EDIT: It occurs to me that I'm only counting code we wrote ourselves. We, unsurprisingly, use a bunch of open source libraries & third party tools. If you counted up all the lines of code in all those things maybe you get to 500M? Maybe?