On December 19, 2007, during a seminar with Apple in Paris, eZ Systems demonstrated eZ Publish running on Mac OS X Server v10.5 Leopard. In addition, eZ showed eZ Flow, a new extension for eZ Publish designed for media companies who need to build complex page layouts and pre-plan publication schedules to ensure a constant flow of rich content. Among other features, eZ Flow supports delivery of content to Apple iPhones.