tag:blogger.com,1999:blog-14118107.post9219087679873507707..comments2008-07-18T11:30:33.146-05:00Ricardo Medina Macíashttp://www.blogger.com/profile/10914189078065434256ideasalvuelo@gmail.comBlogger1125tag:blogger.com,1999:blog-14118107.post-55124965057893567272008-07-18T11:30:00.000-05:002008-07-18T11:30:00.000-05:00A propósito:<BR/><BR/>http://www.marginalrevolution.com/marginalrevolution/2008/07/in-defense-of-s.htmlRamón Mierhttp://www.blogger.com/profile/09748620686835549713noreply@blogger.com