They donated 50% to charity and financed their next project with the rest. They didn't get cash money out of it, so it's profit quoted. Also, breadpig != xkcd.

They donated 50% to charity and financed their next project with the rest. They didn't get cash money out of it, so it's profit quoted. Also, breadpig != xkcd. Their next project, the xkcd book, gave them a lot more profit, all of which they did donate.