In class there had been much discussion revolving around whether the puzzle pieces were being removed from the solid cube, or whether they were being inserted (with the source being that bomb shaped multi-colored orb).  After some contemplation, I personally think that perhaps the primary purpose of this piece of art is not to determine the exact meaning and intent of the artist.  Instead, our personal interpretations are esstentially all correct, and when considering this, one can conclude that the picture depicts a exchange of information - some pieces are being removed, and some are being put back in.  This represents the world we live in now, with some people sharing information, and gleaning new information from others along the way.