Fluid Turns Web Apps Into OSX Desktop Apps

Have you ever wished Gmail or Facebook was a standalone desktop app?  Enter Fluid, a slick OSX application which turns any web app into it's own desktop app.  In the spirit of Prism, with Fluid
you simply enter the URL, app name, select an icon and like magic your pseudo desktop app is created.  Checkout this screencast of Fluid in action, creating Twitter desktop app.