Web Crossing today announced a new Neurons plug-in for the creation of interactive multimedia database modules in a Web Crossing 5.0 environment. The plug-in allows users to quickly create and share interactive data-driven elements, such as catalogs and phone lists. The Web Crossing Neurons Plug-in is free for a limited time with any Web Crossing 5.0 installation, whether licensed or ASP model. The recently announced Web Crossing 5.0 upgrades are available on a traffic-based sliding scale starting at US$119.