Other than chatting about experiences, there was only one "case study", which asked about a new website for a specific campaign that they described and how I would analyze its performance. It didn't take very long, and they asked some follow-up questions on specific ideas I mentioned for the website.
It was a phone interview so it wasn't too indepth
Name an instance where you worked with large amounts of data
1 creative case question first round. 1 market sizing question + 1 more in-depth case question second round
How many barber shops are there in the United States.
If you were Volkswagen and you were running an ad during the Super Bowl, what would you do to prepare beforehand?
what was your biggest failure?
Why do you want to work at Digitas?
Career goals?
Market sizing question, questions about your experience (they are interested in your quantitative capabilities)
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