This is interesting to think about in the context of your technology: http://online.wsj.com/news/articles/SB10001424052702303456104579489510784385696 http://on

This is interesting to think about in the context of your technology: http://online.wsj.com/news/articles/SB10001424052702303456104579489510784385696 http://online.wsj.com/news/articles/SB1000142405270230345610... (in case the link breaks, the topic is bacteria on currency).