What's the point of these downloading-webservices, anyway? From my (perhaps naive) point of view, saving a media stream to disk is a better task much better suited for client software. Nowadays, there are pretty good tools for many operating systems. In the future those might turn into browser extensions, or even become a commodity feature in the browsers.

I remember when some websites started to use JavaScript to prevent other from copying their text (by suppressing the right mouse key, catching Ctrl+C, etc.).

Today, this reappears as "DRM enforced via Flash" on YouTube and many other sites. These new types of DRM won't remain in an open web for long, either, for the same reasons that trying to block Ctrl+C is insane.

So I'm asking myself why this guy put himself into that very weak position in the first place, by providing a webservice rather than a tool or browser extension.