I applied through an employee referral. The process took 3 months. I interviewed at WPP (New York, NY) in Oct 2012
Interview
Took 2 months to get the call then I met one day with 4 interviewers. Job offer came after another 2 months. Very competitive environment even at the interview stage.
Interview questions [1]
Question 1
They kept on asking the same old questions: your strengths and weaknesses etc..