Applied online, but this is not your traditional application. You should be prepared to write a funny, engaging, and interesting essay that will make the committee want to meet you. If you come off as at all dull or boring, you won't be interviewed, simple as that. Once the interview took place, it was quite nerve wracking as there were about 8 people interviewing me. Questions varied from those that more legitimately questioned your aptitude for the job, others were trying to find out about personality, sense of humour, etc. Be prepared to be yourself! It would also help to talk to an existing floor fellow in person to understand more about what kind of answers you should be giving.