The document discusses various tools for creating web applications with ArcGIS, including the ArcGIS Viewer for Flex, ArcGIS Viewer for Silverlight, ArcGIS.com Viewer, and Explorer Online Viewers. It provides an overview of the ArcGIS Viewer for Flex, describing its configurable and ready-to-deploy interface, extensibility through widgets, and advantages for building web mapping applications without programming. A demo is planned to introduce the ArcGIS Viewer for Flex.