dropping knowledge announced today its release of "Chocolate City -- We Are Here to Stay," at the Berlin International Film Festival. "Chocolate City," a short documentary by dropping knowledge cofounder and filmmaker Ralf Schmerberg, takes a look at New Orleans six months after Hurricane Katrina devastated the city. The film will be available online under a "copyleft" license, meaning that it "can be freely re-edited and broadcasted for noncommercial purposes." "Whoever wants to express their opinion freely shouldn't be driven by commercial interests," said Schmerberg in a statement.