Above: don mattrick and mark pincusImage Credit: ZyngaHow can big data and smart analytics tools ignite growth for your company? Find out at DataBeat, May 19-20 in San Francisco, from top data scientists, analysts, investors, and entrepreneurs. Register now and save $200! Zynga founder Mark Pincus is stepping down from an operational role at the huge social game publisher as his successor, CEO Don Mattrick, puts his own stamp on the company.