Yesterday evening Rutger and I did a Pro4Pro session with the fascinating title "Extreme RAD : Live Web Application Development with Oracle Application Express" . In this session we built an APEX application to manage a conference with different kinds of users like organizers, presenters and attendees. We had just a little preconfigured: the tables and views where there, we created a workspace and had set the UI defaults in advance. The rest was all l ive. During the 1,5 hour session we built all the screens, authentication and authorization to manage such and event. The last 15 minutes the audience had the opportunity to put forward some additional functionality and we (try to) build that also - we couldn't translate the whole application to another language in that time, but we showed the date and money localizations. At last we showed what such an application could look like if you spend a day or three on it - with up- and downloading presentations, dragging and dropp