I applied through an employee referral. The process took 2 weeks. I interviewed at KW2 (Madison, WI) in Apr 2013
Interview
Very straightforward. We talked about classes I took (one of which I hadn't taken yet), why I was interested in the position, etc.
I researched their clients and ads they'd run and was well-prepared, which went over very well. I also hammered home that I was very interested in marketing and advertising (which was true).
Interview questions [1]
Question 1
What did you do for your XXX class? It was a J-School class I hadn't taken.