Tanman writes: "DreamWorks Animation's technology in the hands of our artists has created our rich, iconic characters and worlds. Our OpenVDB technology in particular has been the focus of intense industry interest," said Dr. Lincoln Wallen, Head of Animation Technology at DreamWorks Animation. "We have benefitted from using Open Source, and we are pleased to contribute back into the Open Source community in sharing OpenVDB." Link to Original Source
"The urge to destroy is also a creative urge."
[ed. note - I would say: The urge to destroy may sometimes be a creative urge.]