Just to be clear, since there is some confusion: I have never worked, am not now working, and do not anticipate working, on StackOverflow. I do have access to

Just to be clear, since there is some confusion: I have never worked, am not now working, and do not anticipate working, on StackOverflow. I do have access to the StackOverflow source code, since I work at Fog Creek, and, for the same reason, I have a bit of an a semi-inside perspective on what went into it. That, however, is it. Jeff and his team do their own thing quite independently of the rest of Fog Creek, and I definitely do not speak for them.