Another way to construct a supercomputer/cluster - with borrowed machines. Another use for flashmobs. http://www.wired.com/news/technology/0,1282,62937,00.html?tw=wn_culthead_6 (includes eight photos) http://www.usatoday.com/tech/news/techinnovations/2004-04-05-flashmob_x.htm More info available on Google (of course!!)