On the 15th of December 2009 Mridul Narayanan discovered an Anti Drupal ad which definitely caused a large number of web services to work "extra hours" - various blogs, twitter, Google searches & adwords etc etc ... were all talking on about the big threat Drupal is to Microsoft, I am not sure I understand the big fuss. Microsoft are just showing us over and over again that Open Source software is here to stay and it should be treated as they treat any other competition.