Zynga claims to have to one of world's largest data warehouses

TDWI interviewed Ken Rudin, general manager of analytics for Zynga. They claim to have one of the world's largest data warehouse running on Vertica back end and Tableau front end.

Here's a complete transcript of the interview.
http://tdwi.org/articles/2010/07/21/Visual-Access-to-Data-Volumes.aspx

Its a good read but some parts of it sounds more like a Tableau sales pitch.