I applied through other source. The process took 2 weeks. I interviewed at Factory PR (New York, NY) in Aug 2013
Interview
It was pretty easy. They ask you of course why you want to work at Factory PR, what is your definition of PR, what previous employment is relevant. They also you ask you about your personal style and experience with leadership and other skills.
Interview questions [1]
Question 1
There wasn't really any unexpected question. Everything you expect from a PR Internship