Tour DSF We have two convenient ways for you to learn about DSF online. For a Flash-based overview, try our animated Online Demo. It takes about ten minutes. For lower-tech experience, go with the self-guided Quick Tour. You can move through the eleven screens at your own pace. You can also contact us today for a free live DSF demonstration. Before and after the demo, we'll be glad to answer your questions and discuss what DSF can do for you.