So, there's this guy named Arvind Mithal, and he's thought a lot about this problem. http://en.wikipedia.org/wiki/Arvind_(computer_scientist) http://en.wikiped

So, there's this guy named Arvind Mithal, and he's thought a lot about this problem. http://en.wikipedia.org/wiki/Arvind_(computer_scientist) http://en.wikipedia.org/wiki/Arvind_(computer_scientist)