I had a short, ten minute phone call after taking to them at a university career fair. Then I was scheduled for an hour long on campus interview in which I had two 30-minute behavioural interviews. The questions were standard and they recorded my answers on a laptop. Then I was asked to come for an on-site day where they flew us into Chicago and had day for all the candidates where we toured the office and were given some speeches and a panel discussion. There was no actual interview, we had to give a three minute "american idol" presenation about ourselves.