The Dark Knight Viral: Why So Serious? Case Study

This is The Dark Knight Viral “Why So Serious?” Case Study. The “Why So Serious?” campaign won the Cannes 2009 Cyber Grand Prix in the viral category. It was a huge global success, with over 10 million unique players participating! It was created by 42 Entertainment.

Source:
http://www.digitalbuzzblog.com/the-dark-knight-viral-why-so-serious-case-study/